Fixed adding new value from single select
Fix for form Customizations with multiple constraints breaking TVs
Single-Select TVs now retain custom values in the dropdown select options

Fixes #10072

* upstream/pr/12070:
  Fixed adding new value from single select
Fixes issue with Form Customizations containing multiple constraints on TVs

Resolved #8064
Fixes #8384
Closes #8337
Resolves #7002

* upstream/pr/12075:
  Fix for form Customizations with multiple constraints breaking TVs
Merge remote-tracking branch 'origin/master' into develop