Customizer: Replace the plus icon for #available-menu-items .item-add with a thinner one, see [33126].

fixes #32734.
Built from https://develop.svn.wordpress.org/trunk@33152


git-svn-id: http://core.svn.wordpress.org/trunk@33124 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/css/customize-nav-menus-rtl.css

@@ -736,11 +736,11 @@ button.not-a-button {
 }
 
 #available-menu-items .item-add:before {
-	content: "\f132";
+	content: "\f543";
 	font: normal 20px/1 dashicons;
 	position: relative;
 	right: 2px;
-	top: 4px;
+	top: 3px;
 }
 
 #available-menu-items .menu-item-handle.item-added .item-type,

wp-admin/css/customize-nav-menus.css

@@ -736,11 +736,11 @@ button.not-a-button {
 }
 
 #available-menu-items .item-add:before {
-	content: "\f132";
+	content: "\f543";
 	font: normal 20px/1 dashicons;
 	position: relative;
 	left: 2px;
-	top: 4px;
+	top: 3px;
 }
 
 #available-menu-items .menu-item-handle.item-added .item-type,

wp-admin/css/list-tables-rtl.css

@@ -479,6 +479,7 @@ th.asc a:focus span.sorting-indicator:before {
 	position: absolute;
 	top: -5px;
 	right: 10px;
+	-webkit-border-radius: 50%;
 	border-radius: 50%;
 	display: block;
 	padding: 1px 0 1px 2px;

wp-admin/css/list-tables.css

@@ -479,6 +479,7 @@ th.asc a:focus span.sorting-indicator:before {
 	position: absolute;
 	top: -5px;
 	left: 10px;
+	-webkit-border-radius: 50%;
 	border-radius: 50%;
 	display: block;
 	padding: 1px 2px 1px 0;