V13: Add eventype to webhookevents (#15157)

* Refactor IWebhookEvent to contain event type.

* refactor frontend to filter on eventType.

* Display event names

* refactor to use eventNames

* remove npm from overview

* implement alias for WebhookEvents

* Implement [WebhookEvent] attribute

* Refactor IWebhookService to get by event alias and not name

* Rename parameter to fit method name

* to lower event type to avoid casing issues

* Apply suggestions from code review

Co-authored-by: Ronald Barendse <ronald@barend.se>

* Change event names from constants to hard coded. And give more friendly names

* Refactor to not use event names, where it was not intended

* Add renaming column migration

* display event alias in logs

* Update migration to check if old column is there

* Apply suggestions from code review

Co-authored-by: Kenn Jacobsen <kja@umbraco.dk>

* add determineResource function to avoid duplicate code

---------

Co-authored-by: Zeegaan <nge@umbraco.dk>
Co-authored-by: Ronald Barendse <ronald@barend.se>
Co-authored-by: Kenn Jacobsen <kja@umbraco.dk>

src/Umbraco.Web.Common/Models/WebhookLogViewModel.cs

@@ -17,8 +17,8 @@ public class WebhookLogViewModel
     [DataMember(Name = "date")]
     public DateTime Date { get; set; }
 
-    [DataMember(Name = "eventName")]
-    public string EventName { get; set; } = string.Empty;
+    [DataMember(Name = "eventAlias")]
+    public string EventAlias { get; set; } = string.Empty;
 
     [DataMember(Name = "url")]
     public string Url { get; set; } = string.Empty;