notification-hub: tolerate missing gcmCredential in gcm update output (#9495)

* notification-hub: avoid false failure on gcm update output

AAZ output shaping no longer requires properties.gcmCredential; return {} when missing to avoid ResourceNotFoundError.

* added history

Author: a0x1ab

src/notification-hub/HISTORY.rst

@@ -3,6 +3,10 @@
 Release History
 ===============
 
+2.0.0b2
+++++++
+* Fix notification-hub credential create command output issue
+
 2.0.0b1
 ++++++
 * Remove `az notification-hub test-send`

src/notification-hub/azext_notification_hub/aaz/latest/notification_hub/credential/gcm/_create.py

@@ -92,7 +92,9 @@ def post_instance_create(self, instance):
         pass
 
     def _output(self, *args, **kwargs):
-        result = self.deserialize_output(self.ctx.selectors.subresource.required(), client_flatten=True)
+        result = self.deserialize_output(self.ctx.selectors.subresource.get(), client_flatten=True)
+        if result is None or result == AAZUndefined:
+            return {}
         return result
 
     class SubresourceSelector(AAZJsonSelector):

src/notification-hub/setup.py

@@ -16,7 +16,7 @@
 
 # TODO: Confirm this is the right version number you want and it matches your
 # HISTORY.rst entry.
-VERSION = '2.0.0b1'
+VERSION = '2.0.0b2'
 
 # The full list of classifiers is available at
 # https://pypi.python.org/pypi?%3Aaction=list_classifiers