Suggested by nishimura Shinya – Needs Votes
* As a prerequisite, the browser zoom is set to 100%.
Add entities related to any entity to the subgrid.
If placing an entity with a short name, [+ New] will appear on the form.
When placing an entity with a long name, [+ New] does not appear on the form.
Convenience is improved if [+ New] is always placed on the form regardless of the length of the entity's name.