This commit syncs minor changes for the default theme from its active development repository to core.
This is a follow up to [52081], [52107], [52164], [52222], [52283], [52335], [52375], [52392], [52430], and [52555]. It includes fixes to the group, cover, and template part block padding and removes unnecessary group block wrappers from many patterns.
To view the full set of changes, visit 69d5c512c6...91f8748566.
Props kjellr, richtabor, audrasjb.
See #54318.
Built from https://develop.svn.wordpress.org/trunk@52589
git-svn-id: http://core.svn.wordpress.org/trunk@52177 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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