This changeset ensures that text color for citation are inherited when the user specifies color for the Pullquote or Quote block, or if one of those blocks is inside a block with a background.
Props nithins53, kajalgohel, kmadhak, sabernhardt, devtanbir, james-roberts, sapayth, rafinkhan, robinwpdeveloper, poena.
Fixes#55990.
Built from https://develop.svn.wordpress.org/trunk@55317
git-svn-id: http://core.svn.wordpress.org/trunk@54850 1a063a9b-81f0-0310-95a4-ce76da25c4cd