Holdings Editor: Ability to manage item alerts, notes, and tags with only UPDATE_COPY

[Susan Morrison]

3.10+

When adding/managing item alerts, notes, and tags through the holdings editor, users only need the UPDATE_COPY permission, instead of the respective permissions for each. Conversely, if users have the permissions to manage item alerts, notes, and tags, they are not able to do so through the holdings editor if they don't have UPDATE_COPY. There are other routes/interfaces to manage these that call the correct permissions, but it would help alleviate confusion if users could only update what they have specific permissions for within the holdings editor.