[5.3] Subform field dropdown show current subform in the dropdown list #46214
Description
Steps to reproduce the issue
- Create a custom field.
- Create a subform with the created custom field.
- Save the subform.
- Try to change the selected field in the subform.
- Select the current subform from the list.
- Try to create a new article.
Expected result
The subform you are in should not be in the list.
Actual result
The subform you are in is in the select list.
This breaks the edit view of the place this subform is included in.
System information (as much as possible)
Additional comments
Problem is in 5.3 and newer.