Revert "Revert breaking changes"

This reverts commit ac4fb6acf1.

src/Umbraco.Core/Media/EmbedProviders/DailyMotion.cs

@@ -6,7 +6,7 @@ namespace Umbraco.Cms.Core.Media.EmbedProviders;
 /// <summary>
 ///     Embed Provider for Dailymotion the popular online video-sharing platform.
 /// </summary>
-public class DailyMotion : EmbedProviderBase
+public class DailyMotion : OEmbedProviderBase
 {
     public DailyMotion(IJsonSerializer jsonSerializer)
         : base(jsonSerializer)

src/Umbraco.Core/Media/EmbedProviders/EmbedProviderBase.cs

@@ -2,7 +2,7 @@ using Umbraco.Cms.Core.Serialization;
 
 namespace Umbraco.Cms.Core.Media.EmbedProviders;
 
-[Obsolete("Use OEmbedProviderBase instead- This will be removed in Umbraco 12")]
+[Obsolete("Use OEmbedProviderBase instead")]
 public abstract class EmbedProviderBase : OEmbedProviderBase
 {
     protected EmbedProviderBase(IJsonSerializer jsonSerializer)

src/Umbraco.Core/Media/EmbedProviders/Flickr.cs

@@ -7,7 +7,7 @@ namespace Umbraco.Cms.Core.Media.EmbedProviders;
 /// <summary>
 ///     Embed Provider for Flickr the popular online image hosting and video hosting service.
 /// </summary>
-public class Flickr : EmbedProviderBase
+public class Flickr : OEmbedProviderBase
 {
     public Flickr(IJsonSerializer jsonSerializer)
         : base(jsonSerializer)

src/Umbraco.Core/Media/EmbedProviders/GettyImages.cs

@@ -5,7 +5,7 @@ namespace Umbraco.Cms.Core.Media.EmbedProviders;
 /// <summary>
 ///     Embed Provider for Getty Images supplier of stock images, editorial photography, video and music for business and consumers.
 /// </summary>
-public class GettyImages : EmbedProviderBase
+public class GettyImages : OEmbedProviderBase
 {
     public GettyImages(IJsonSerializer jsonSerializer)
         : base(jsonSerializer)

src/Umbraco.Core/Media/EmbedProviders/Giphy.cs

@@ -5,7 +5,7 @@ namespace Umbraco.Cms.Core.Media.EmbedProviders;
 /// <summary>
 ///     Embed Provider for Giphy.com the popular online GIFs and animated sticker provider.
 /// </summary>
-public class Giphy : EmbedProviderBase
+public class Giphy : OEmbedProviderBase
 {
     public Giphy(IJsonSerializer jsonSerializer)
         : base(jsonSerializer)

src/Umbraco.Core/Media/EmbedProviders/Hulu.cs

@@ -5,7 +5,7 @@ namespace Umbraco.Cms.Core.Media.EmbedProviders;
 /// <summary>
 ///     Embed Provider for Hulu the the popular online subscription streaming service.
 /// </summary>
-public class Hulu : EmbedProviderBase
+public class Hulu : OEmbedProviderBase
 {
     public Hulu(IJsonSerializer jsonSerializer)
         : base(jsonSerializer)

src/Umbraco.Core/Media/EmbedProviders/Issuu.cs

@@ -6,7 +6,7 @@ namespace Umbraco.Cms.Core.Media.EmbedProviders;
 /// <summary>
 ///     Embed Provider for Issuu the popular platform to create interactive flipbooks, social media posts, GIFs, and more from a single piece of static content.
 /// </summary>
-public class Issuu : EmbedProviderBase
+public class Issuu : OEmbedProviderBase
 {
     public Issuu(IJsonSerializer jsonSerializer)
         : base(jsonSerializer)

src/Umbraco.Core/Media/EmbedProviders/Kickstarter.cs

@@ -5,7 +5,7 @@ namespace Umbraco.Cms.Core.Media.EmbedProviders;
 /// <summary>
 ///     Embed Provider for Kickstarter the popular online crowdfunding platform focused on creativity.
 /// </summary>
-public class Kickstarter : EmbedProviderBase
+public class Kickstarter : OEmbedProviderBase
 {
     public Kickstarter(IJsonSerializer jsonSerializer)
         : base(jsonSerializer)

src/Umbraco.Core/Media/EmbedProviders/Slideshare.cs

@@ -6,7 +6,7 @@ namespace Umbraco.Cms.Core.Media.EmbedProviders;
 /// <summary>
 ///     Embed Provider for SlideShare for professional online content including presentations, infographics, documents, and videos.
 /// </summary>
-public class Slideshare : EmbedProviderBase
+public class Slideshare : OEmbedProviderBase
 {
     public Slideshare(IJsonSerializer jsonSerializer)
         : base(jsonSerializer)

src/Umbraco.Core/Media/EmbedProviders/SoundCloud.cs

@@ -6,7 +6,7 @@ namespace Umbraco.Cms.Core.Media.EmbedProviders;
 /// <summary>
 ///     Embed Provider for SoundCloud the popular online audio distribution platform and music sharing provider.
 /// </summary>
-public class Soundcloud : EmbedProviderBase
+public class Soundcloud : OEmbedProviderBase
 {
     public Soundcloud(IJsonSerializer jsonSerializer)
         : base(jsonSerializer)

src/Umbraco.Core/Media/EmbedProviders/Ted.cs

@@ -6,7 +6,7 @@ namespace Umbraco.Cms.Core.Media.EmbedProviders;
 /// <summary>
 ///     Embed Provider for Ted that posts talks online for free distribution.
 /// </summary>
-public class Ted : EmbedProviderBase
+public class Ted : OEmbedProviderBase
 {
     public Ted(IJsonSerializer jsonSerializer)
         : base(jsonSerializer)

src/Umbraco.Core/Media/EmbedProviders/Twitter.cs

@@ -5,7 +5,7 @@ namespace Umbraco.Cms.Core.Media.EmbedProviders;
 /// <summary>
 ///     Embed Provider for Twitter the popular online service for microblogging and social networking.
 /// </summary>
-public class Twitter : EmbedProviderBase
+public class Twitter : OEmbedProviderBase
 {
     public Twitter(IJsonSerializer jsonSerializer)
         : base(jsonSerializer)

src/Umbraco.Core/Media/EmbedProviders/Vimeo.cs

@@ -6,7 +6,7 @@ namespace Umbraco.Cms.Core.Media.EmbedProviders;
 /// <summary>
 ///     Embed Provider for Vimeo the popular online video hosting, sharing, and services platform provider.
 /// </summary>
-public class Vimeo : EmbedProviderBase
+public class Vimeo : OEmbedProviderBase
 {
     public Vimeo(IJsonSerializer jsonSerializer)
         : base(jsonSerializer)

src/Umbraco.Core/Media/EmbedProviders/Youtube.cs

@@ -5,7 +5,7 @@ namespace Umbraco.Cms.Core.Media.EmbedProviders;
 /// <summary>
 ///     Embed Provider for YouTube the popular online video sharing and social media platform provider.
 /// </summary>
-public class YouTube : EmbedProviderBase
+public class YouTube : OEmbedProviderBase
 {
     public YouTube(IJsonSerializer jsonSerializer)
         : base(jsonSerializer)