Twenty Ten: Prevent Block Inserter icon color override.

This changeset prevents the likes of `body * { color: #000; }` in custom styles to override the Block Inserter icon styles.

Props umesh84, kajalgohel, sabernhardt, pooja1210, amin7.
Fixes #57414.



Built from https://develop.svn.wordpress.org/trunk@56081


git-svn-id: http://core.svn.wordpress.org/trunk@55593 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-content/themes/twentyten/editor-blocks.css

@@ -373,3 +373,9 @@ p.has-drop-cap:not(:focus)::first-letter {
 :root .editor-styles-wrapper .has-white-background-color:visited {
 	background-color: #fff;
 }
+
+/* Inserter Icon */
+
+.editor-styles-wrapper .block-editor-inserter path {
+	color: #fff;
+}

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.3-alpha-56080';
+$wp_version = '6.3-alpha-56081';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.