HanaOnAzure: add C# mgmt emitter and client.tsp customizations

Add @azure-typespec/http-client-csharp-mgmt emitter (namespace Azure.ResourceManager.HanaOnAzure) and three csharp-scoped client.tsp decorators for the .NET mgmt SDK onboarding.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: cxznmhdcxz

specification/hanaonazure/resource-manager/Microsoft.HanaOnAzure/HanaOnAzure/client.tsp

@@ -8,3 +8,18 @@ using Azure.ClientGenerator.Core;
   "HanaManagementClient",
   "javascript,python"
 );
+
+@@clientName(Microsoft.HanaOnAzure.ProviderInstanceProperties.properties,
+  "ProviderProperties",
+  "csharp"
+);
+
+@@alternateType(Azure.ResourceManager.CommonTypes.Resource.id,
+  Azure.Core.armResourceIdentifier,
+  "csharp"
+);
+
+@@clientName(Microsoft.HanaOnAzure.Operation,
+  "HanaOnAzureOperationInfo",
+  "csharp"
+);

specification/hanaonazure/resource-manager/Microsoft.HanaOnAzure/HanaOnAzure/tspconfig.yaml

@@ -39,6 +39,9 @@ options:
     generate-fakes: true
     head-as-boolean: true
     inject-spans: true
+  "@azure-typespec/http-client-csharp-mgmt":
+    namespace: "Azure.ResourceManager.HanaOnAzure"
+    emitter-output-dir: "{output-dir}/{service-dir}/{namespace}"
 linter:
   extends:
     - "@azure-tools/typespec-azure-rulesets/resource-manager"