Problem/Motivation
After upgrade Drupal core to 9.4.* I get a JS error when drag fields on "manage display" tab of any content type. When error is present I can't drop field after drag (mouse click and Esc don't work)
error text: Uncaught TypeError: this.$pluginSelect.find(...)[0] is undefined
Admin theme doesn't matter (I tried seven, claro)
Steps to reproduce
- Install Drupal 9.4.x or 9.5.x with the standard installation profile.
- Login as admin
- Navigate to Admin / Structure / Contact Forms
- Choose Manage Form Display from the operations drop-down on the Website Feedback contact form
- Move extra field Send copy to sender to the Disabled section
- Move extra field Send copy to sender back to the into the section with active controls
- Observer the error on the browser console
Original report:
- Go to /admin/structure/types/manage/article/display (if you have content type "article")
- Drag fields many times (sic!)