use all_tags as m2m value when copying tags

api_tests/draft_registrations/views/test_draft_registration_list.py

@@ -270,7 +270,6 @@ def test_affiliated_institutions_are_copied_from_node_no_institutions(self, app,
         """
         project = ProjectFactory(is_public=True, creator=user)
         payload['data']['relationships']['branched_from']['data']['id'] = project._id
-
         res = app.post_json_api(
             url_draft_registrations,
             payload,

osf/models/mixins.py

@@ -2265,7 +2265,9 @@ def copy_editable_fields(
             self, resource, alternative_resource=None, include_contributors=True, save=True, excluded_attributes=None
     ):
         """
-        Copy editable fields from 'resource' to the current object.
+        Copy editable fields from 'resource' to the current object. DraftRegistrations have different rules for creation
+        based on whether they are based on OSF Projects or are 'no-project` Registrations that will copu default
+        metadata information from the user, or some other source other then an OSF Project or Node.
 
         :param Object resource: Primary resource to copy attributes from
         :param Object alternative_resource: Backup resource for copying attributes
@@ -2288,17 +2290,18 @@ def copy_editable_fields(
             self.save()
 
     def _copy_basic_attributes(self, resource, alternative_resource, excluded_attributes):
-        # Copy basic attributes such as title, description, category, and node_license
         for attribute in ['title', 'description', 'category', 'node_license']:
             if attribute not in excluded_attributes:
                 self.set_editable_attribute(attribute, resource, alternative_resource)
 
     def _copy_m2m_fields(self, resource, alternative_resource, excluded_attributes):
-        # Copy m2m fields like tags, subjects, and affiliated_institutions
         m2m_fields = ['tags', 'subjects', 'affiliated_institutions']
         for field in m2m_fields:
             if field not in excluded_attributes:
-                getattr(self, field).add(*self.stage_m2m_values(field, resource, alternative_resource))
+                if field == 'tags':  # special case tags with value `all_tags'
+                    self.tags.add(*self.stage_m2m_values('all_tags', resource, alternative_resource))
+                else:
+                    getattr(self, field).add(*self.stage_m2m_values(field, resource, alternative_resource))
 
     class Meta:
         abstract = True

osf/models/registrations.py

@@ -1280,13 +1280,13 @@ def create_from_node(cls, user, schema, node=None, data=None, provider=None):
             provider=provider,
         )
         draft.save()
-        draft.update(data, auth=Auth(user))
         draft.copy_editable_fields(
             branched_from,
             Auth(user),
             save=True,
             excluded_attributes=excluded_attributes
         )
+        draft.update(data, auth=Auth(user))
 
         if not node:
             draft.affiliated_institutions.add(*draft.creator.get_affiliated_institutions())