Fix put_mc to explicitly wait for LRO in non-postprocessing path

Author: charleswool

src/aks-preview/azext_aks_preview/managed_cluster_decorator.py

@@ -7791,9 +7791,9 @@ def put_mc(self, mc: ManagedCluster) -> ManagedCluster:
             # poll until the result is returned
             cluster = LongRunningOperation(self.cmd.cli_ctx)(poller)
             self.postprocessing_after_mc_created(cluster)
-        else:
+        elif self.context.get_no_wait():
             cluster = sdk_no_wait(
-                self.context.get_no_wait(),
+                True,
                 self.client.begin_create_or_update,
                 resource_group_name=self.context.get_resource_group_name(),
                 resource_name=self.context.get_name(),
@@ -7802,5 +7802,15 @@ def put_mc(self, mc: ManagedCluster) -> ManagedCluster:
                 if_none_match=self.context.get_if_none_match(),
                 headers=self.context.get_aks_custom_headers(),
             )
+        else:
+            poller = self.client.begin_create_or_update(
+                resource_group_name=self.context.get_resource_group_name(),
+                resource_name=self.context.get_name(),
+                parameters=mc,
+                if_match=self.context.get_if_match(),
+                if_none_match=self.context.get_if_none_match(),
+                headers=self.context.get_aks_custom_headers(),
+            )
+            cluster = LongRunningOperation(self.cmd.cli_ctx)(poller)
 
         return cluster