feat(dataplane): unify abstract base class (#32661)

- bump latest `autorest.csharp` and re-gen some SDKs, making base class abstract
- add `suppress-abstract-base-class` for SDKs which are already released, or test case will be broken due to making base class abstract

Author: archerzz

eng/Packages.Data.props

@@ -160,7 +160,7 @@
     All should have PrivateAssets="All" set so they don't become package dependencies
   -->
   <ItemGroup>
-    <PackageReference Update="Microsoft.Azure.AutoRest.CSharp" Version="3.0.0-beta.20221201.2" PrivateAssets="All" />
+    <PackageReference Update="Microsoft.Azure.AutoRest.CSharp" Version="3.0.0-beta.20221201.3" PrivateAssets="All" />
     <PackageReference Update="Azure.ClientSdk.Analyzers" Version="0.1.1-dev.20221031.1" PrivateAssets="All" />
     <PackageReference Update="coverlet.collector" Version="1.3.0" PrivateAssets="All" />
     <PackageReference Update="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="3.3.1" PrivateAssets="All" />

sdk/communication/Azure.Communication.JobRouter/api/Azure.Communication.JobRouter.netstandard2.0.cs

@@ -132,7 +132,7 @@ public DirectMapRule() { }
     }
     public abstract partial class DistributionMode
     {
-        public DistributionMode(int minConcurrentOffers, int maxConcurrentOffers) { }
+        protected DistributionMode(int minConcurrentOffers, int maxConcurrentOffers) { }
         public bool? BypassSelectors { get { throw null; } set { } }
         public int MaxConcurrentOffers { get { throw null; } set { } }
         public int MinConcurrentOffers { get { throw null; } set { } }

sdk/communication/Azure.Communication.JobRouter/src/Generated/Models/DistributionMode.cs

@@ -76,9 +76,9 @@ public partial class GroupCallOutput : Azure.Communication.MediaComposition.Mode
         public GroupCallOutput(string id) { }
         public string Id { get { throw null; } set { } }
     }
-    public partial class InputGroup
+    public abstract partial class InputGroup
     {
-        public InputGroup() { }
+        protected InputGroup() { }
         public string Height { get { throw null; } set { } }
         public string Layer { get { throw null; } set { } }
         public Azure.Communication.MediaComposition.Models.InputPosition Position { get { throw null; } set { } }
@@ -384,18 +384,18 @@ public LayoutResolution(int width, int height) { }
         public int Height { get { throw null; } set { } }
         public int Width { get { throw null; } set { } }
     }
-    public partial class MediaCompositionLayout
+    public abstract partial class MediaCompositionLayout
     {
         internal MediaCompositionLayout() { }
         public string PlaceholderImageUri { get { throw null; } set { } }
         public Azure.Communication.MediaComposition.Models.LayoutResolution Resolution { get { throw null; } set { } }
     }
-    public partial class MediaInput
+    public abstract partial class MediaInput
     {
         internal MediaInput() { }
         public string PlaceholderImageUri { get { throw null; } set { } }
     }
-    public partial class MediaOutput
+    public abstract partial class MediaOutput
     {
         internal MediaOutput() { }
     }

sdk/communication/Azure.Communication.MediaComposition/api/Azure.Communication.MediaComposition.netstandard2.0.cs

@@ -18,7 +18,13 @@ directive:
   where: $.definitions.CloudEventEvent
   transform: >
     $.properties.data["x-nullable"] = true;
-````
+```
+
+### Suppress Abstract Base Class
+
+``` yaml
+suppress-abstract-base-class: MediaJobOutput
+```
 
 ### Append `EventData` suffix to Resource Manager system event data models
 

sdk/communication/Azure.Communication.MediaComposition/src/Generated/Models/InputGroup.cs

@@ -2,7 +2,7 @@
 
 Run `dotnet build /t:GenerateCode` to generate code. Notice how there are two main swaggers use to generate this client library:
 - Service V2.x
-- Service V3 
+- Service V3
 
 ### AutoRest Configuration
 > see https://aka.ms/autorest
@@ -15,6 +15,12 @@ input-file:
 generation1-convenience-client: true
 ```
 
+## Suppress Abstract Base Class
+
+``` yaml
+suppress-abstract-base-class: OperationDetails
+```
+
 ## Make the API version parameterized so we generate a multi-versioned API
 
 ``` yaml