fix: Add missing lti 1.3 variable to `hide_fields`

lti_consumer/lti_xblock.py

@@ -622,6 +622,7 @@ class LtiConsumerXBlock(StudioEditableXBlockMixin, XBlock):
                 'lti_1p3_launch_url',
                 'lti_1p3_oidc_url',
                 'lti_1p3_tool_public_key',
+                'lti_advantage_ags_mode',
                 'lti_advantage_deep_linking_enabled',
                 'lti_advantage_deep_linking_launch_url',
             ]