[RNMobile] Fix drag mode not being enabled when long-pressing over Shortcode block#4872

fluiddot merged 8 commits intotrunkwordpress-mobile/gutenberg-mobile:trunkfrom

version-toolkit/gutenberg/rnmobile/update/shortcode-use-rich-textwordpress-mobile/gutenberg-mobile:version-toolkit/gutenberg/rnmobile/update/shortcode-use-rich-textCopy head branch name to clipboard