add ApplicationId to Registered Server Update params (Azure#31342)

.github/PULL_REQUEST_TEMPLATE/control_plane_template.md

@@ -15,7 +15,7 @@ What's the purpose of this PR? Check the specific option that applies. This is *
 
   - [ ] New resource provider.
   - [ ] New API version for an existing resource provider. (If API spec is not defined in TypeSpec, the PR should have been created in adherence to [OpenAPI specs PR creation guidance](https://aka.ms/azsdkdocs/createopenapispec)).
-  - [ ] Update existing version for a new feature. (This is applicable only when you are revising a private preview API version.)
+  - [x] Update existing version for a new feature. (This is applicable only when you are revising a private preview API version.)
   - [ ] Update existing version to fix OpenAPI spec quality issues in S360.
   - [ ] Convert existing [OpenAPI spec to TypeSpec spec](https://aka.ms/typespec/conversion) (do not combine this with implementing changes for a new API version).
   - [ ] Other, please clarify:
@@ -26,8 +26,8 @@ What's the purpose of this PR? Check the specific option that applies. This is *
 To merge this PR, you **must** go through the following checklist and confirm you understood 
 and followed the instructions by checking all the boxes:
 
-- [ ] I confirm this PR is modifying Azure Resource Manager (ARM) related specifications, and not data plane related specifications.
-- [ ] I have reviewed following [Resource Provider guidelines](https://aka.ms/rpguidelines), including
+- [x] I confirm this PR is modifying Azure Resource Manager (ARM) related specifications, and not data plane related specifications.
+- [x] I have reviewed following [Resource Provider guidelines](https://aka.ms/rpguidelines), including
   [ARM resource provider contract](https://aka.ms/azurerpc) and
   [REST guidelines](https://github.com/microsoft/api-guidelines/blob/vNext/azure/Guidelines.md) (estimated time: 4 hours).  
   I understand this is required before I can proceed to the diagram Step 2, "ARM API changes review", for this PR.

specification/storagesync/resource-manager/Microsoft.StorageSync/stable/2022-09-01/examples/RegisteredServers_Update.json

@@ -6,7 +6,8 @@
     "serverId": "080d4133-bdb5-40a0-96a0-71a6057bfe9a",
     "parameters": {
       "properties": {
-        "identity": true
+        "identity": true,
+        "applicationId": "120d4132-bcd5-40a0-96a0-71a6057ebf0c"
       }
     },
     "api-version": "2022-09-01"

specification/storagesync/resource-manager/Microsoft.StorageSync/stable/2022-09-01/storagesync.json

@@ -3806,6 +3806,10 @@
         "identity": {
           "type": "boolean",
           "description": "Apply server with newly discovered ApplicationId if available."
+        },
+        "applicationId": {
+          "type": "string",
+          "description": "Apply server with new ServicePrincipal Id"
         }
       }
     },

specification/storagesync/resource-manager/sdk-suppressions.yaml

@@ -0,0 +1,17 @@
+suppressions:
+  azure-sdk-for-python:
+    - package: azure-mgmt-storagesync
+      breaking-changes:
+        - Method `MicrosoftStorageSync.__init__` parameter `base_url` changed default value from `None` to `str`
+        - Method `ServerEndpoint.__init__` parameter `initial_download_policy` changed default value from `None` to `str`
+        - Method `ServerEndpoint.__init__` parameter `local_cache_mode` changed default value from `None` to `str`
+        - Method `ServerEndpointCreateParameters.__init__` parameter `initial_download_policy` changed default value from `None` to `str`
+        - Method `ServerEndpointCreateParameters.__init__` parameter `local_cache_mode` changed default value from `None` to `str`
+        - Method `ServerEndpointCreateParameters.__init__` parameter `tier_files_older_than_days` changed default value from `None` to `int`
+        - Method `ServerEndpointCreateParameters.__init__` parameter `volume_free_space_percent` changed default value from `None` to `int`
+        - Method `ServerEndpointUpdateParameters.__init__` parameter `local_cache_mode` changed default value from `None` to `str`
+        - Model `StorageSyncApiError` deleted or renamed its instance variable `inner_error`     
+  azure-sdk-for-js:
+    - package: "@azure/arm-storagesync"
+      breaking-changes:
+        - Interface StorageSyncApiError no longer has parameter innerError