Editor: Merge Editor bug fixes ahead of 6.5 RC4.

This merges several high priority bug fixes for the editor ahead of WordPress 6.5:
- WordPress/gutenberg#60180
- WordPress/gutenberg#60093
- WordPress/gutenberg#60071
- WordPress/gutenberg#60130
- WordPress/gutenberg#59959
- WordPress/gutenberg#60167

Reviewed by jorbin, swissspidy.
Merges [57888] to the 6.5 branch.

Props youknowriad, annezazu, mcsf, jsnajdr, mmaattiiaass, get_dave, scruffian, mikachan, grantmkin, andraganescu, scruffian, antosguillamot, fabiankaegy, huzaifaalmesbah, krupajnanda, colorful-tones, liviopv, mamaduka, kim88, poena, peterwilsoncc, wildworks, swissspidy, desrosj, jorbin.
Fixes #60315.

git-svn-id: https://develop.svn.wordpress.org/branches/6.5@57891 602fd350-edb4-49c9-b593-d223f7449a82

Author: swissspidy