Quick/Bulk Edit: Restore compact size of inline edit select.

Follow-up to [61827], [62171].

Props wildworks, mukesh27, audrasjb, SergeyBiryukov.
Fixes #64685.

git-svn-id: https://develop.svn.wordpress.org/trunk@62296 602fd350-edb4-49c9-b593-d223f7449a82