Simplify JSON schema, generation, copying and updating (#13427)

* Simplify JSON schema and only generate appsettings-schema.Umbraco.Cms.json

* Use Umbraco.JsonSchema.Extensions to dynamically add JSON schema references

* Move DependentUpon items to shared MSBuild props

* Update LangVersion to latest

* Update Umbraco.GitVersioning.Extensions to 0.2.0

* Remove JSON schemas on clean

* Remove Umbraco.JsonSchema.Core project

* Fix JSON schema nullability

* Ignore additional JSON schema files in template

* Update CompatibilitySuppressions.xml

* Remove GlobalSettings.UmbracoPath from JSON schema again

* Remove RemoveUmbracoJsonSchemaFiles target

* Update Umbraco.JsonSchema.Extensions to 0.2.0 and add weights

* Flatten generated JSON schema hierarchy

* Remove LicensesSettings from CMS codebase

* Change AdditionalParameters to IDictionary

Directory.Build.props

@@ -2,7 +2,7 @@
 <Project>
   <PropertyGroup>
     <TargetFramework>net7.0</TargetFramework>
-    <LangVersion>preview</LangVersion>
+    <LangVersion>latest</LangVersion>
     <Company>Umbraco HQ</Company>
     <Authors>Umbraco</Authors>
     <Copyright>Copyright © Umbraco $([System.DateTime]::Today.ToString('yyyy'))</Copyright>
@@ -41,7 +41,7 @@
     <PackageReference Include="Nerdbank.GitVersioning" Version="3.5.113" PrivateAssets="all" IsImplicitlyDefined="true" />
     <PackageReference Include="StyleCop.Analyzers" Version="1.2.0-beta.406" PrivateAssets="all" IsImplicitlyDefined="true" />
     <PackageReference Include="Umbraco.Code" Version="2.0.0" PrivateAssets="all" IsImplicitlyDefined="true" />
-    <PackageReference Include="Umbraco.GitVersioning.Extensions" Version="0.1.1" PrivateAssets="all" IsImplicitlyDefined="true" />
+    <PackageReference Include="Umbraco.GitVersioning.Extensions" Version="0.2.0" PrivateAssets="all" IsImplicitlyDefined="true" />
   </ItemGroup>
 
   <ItemGroup>