[Az.StorageSync] Remove alias "RegisteredServer" for InputObject parameter of Set-AzStorageSyncServerEndpoint (#21730)

* Remove alias "RegisteredServer" for InputObject parameter of Set-AzStorageSyncServerEndpoint

* Update ChangeLog to reflect breaking change in upcoming release

* Add exception file BreakingChangeIssues for Az.StorageSync, and revert changes to Az.StorageSync-UpcomingBreakingChanges.md

Author: anpint

src/StorageSync/StorageSync/ChangeLog.md

@@ -18,6 +18,7 @@
         - Additional information about change #1
 -->
 ## Upcoming Release
+* Deprecated "RegisteredServer" alias for InputObject parameter for Set-AzStorageSyncServerEndpoint
 
 ## Version 1.7.0
 * Migrated Azure AD features in Az.StorageSync to MSGraph APIs. The cmdlets will call MSGraph API according to input parameters: New-AzStorageSyncCloudEndpoint

src/StorageSync/StorageSync/ServerEndpoint/SetServerEndpointCommand.cs

@@ -117,8 +117,7 @@ public class SetServerEndpointCommand : StorageSyncClientCmdletBase
            Mandatory = true,
            ValueFromPipeline = true,
            HelpMessage = HelpMessages.ServerEndpointObjectParameter)]
-        [CmdletParameterBreakingChange("InputObject", ChangeDescription = "Alias RegisteredServer is invalid and preserved for compatibility. Alias ServerEndpoint should be used instead")]
-        [Alias(StorageSyncAliases.RegisteredServerAlias, StorageSyncAliases.ServerEndpointAlias)]
+        [Alias(StorageSyncAliases.ServerEndpointAlias)]
         public PSServerEndpoint InputObject { get; set; }
 
         /// <summary>

src/StorageSync/StorageSync/help/Set-AzStorageSyncServerEndpoint.md

@@ -100,7 +100,7 @@ SyncGroup Object, normally passed through the parameter.
 ```yaml
 Type: Microsoft.Azure.Commands.StorageSync.Models.PSServerEndpoint
 Parameter Sets: ObjectParameterSet
-Aliases: RegisteredServer, ServerEndpoint
+Aliases: ServerEndpoint
 
 Required: True
 Position: 0

tools/StaticAnalysis/Exceptions/Az.StorageSync/BreakingChangeIssues.csv

@@ -0,0 +1,2 @@
+"Module","ClassName","Target","Severity","ProblemId","Description","Remediation"
+"Az.StorageSync","Microsoft.Azure.Commands.StorageSync.Cmdlets.SetServerEndpointCommand","Set-AzStorageSyncServerEndpoint","0","2010","The cmdlet 'Set-AzStorageSyncServerEndpoint' no longer supports the alias 'RegisteredServer' for parameter 'InputObject'.","Add the alias 'RegisteredServer' back to parameter 'InputObject'."