Bundled Themes: Misaligned input placeholder text Twenty Twenty.

This fixes placeholder misalignment in Firefox when a `height` is added as an inline style to the input field.

Props aljullu, subratamal, ianbelanger.
Merges [46851], [46854] to the 5.3 branch.
Fixes #48876.
Built from https://develop.svn.wordpress.org/branches/5.3@46855


git-svn-id: http://core.svn.wordpress.org/branches/5.3@46655 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-content/themes/twentytwenty/style.css

@@ -816,7 +816,7 @@ input:-ms-input-placeholder {
 }
 
 input::-moz-placeholder {
-	line-height: normal;
+	line-height: revert; /* Reset to the value from the user-agent stylesheet. */
 }
 
 input[type="search"]::-webkit-search-decoration,

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.3.1-alpha-46853';
+$wp_version = '5.3.1-alpha-46855';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.