Follow up tweaking of admin UI changes part 2 (#31268)

app/javascript/styles/mastodon-light/diff.scss

@@ -496,11 +496,11 @@ html {
 
 .compose-form .autosuggest-textarea__textarea,
 .compose-form__highlightable,
+.autosuggest-textarea__suggestions,
 .search__input,
 .search__popout,
 .emoji-mart-search input,
 .language-dropdown__dropdown .emoji-mart-search input,
-// .strike-card,
 .poll__option input[type='text'] {
   background: darken($ui-base-color, 10%);
 }