Update the registration logic to print manual steps when adal authentication fails (#447)

Mitigate the deployment issue related to the conditional access policy.
The registration logic is updated to use the old rbac python library when possible. 
The deployment will print some manual step for operations that cannot be automated

src/deployment/deploy.py

@@ -67,7 +67,6 @@ from registration import (
     add_application_password,
     assign_scaleset_role,
     authorize_application,
-    get_application,
     register_application,
     update_pool_registration,
 )
@@ -329,10 +328,11 @@ class Client:
 
         (password_id, password) = self.create_password(app.object_id)
 
-        onefuzz_cli_app_uuid = uuid.UUID(ONEFUZZ_CLI_APP)
-        cli_app = get_application(onefuzz_cli_app_uuid)
+        cli_app = client.applications.list(filter="appId eq '%s'" % ONEFUZZ_CLI_APP)
 
-        if cli_app is None:
+        onefuzz_cli_app_uuid = uuid.UUID(ONEFUZZ_CLI_APP)
+
+        if not cli_app:
             logger.info(
                 "Could not find the default CLI application under the current "
                 "subscription, creating a new one"