Toolbar: Fix dropdown admin menu styles on front-end.

This changeset switches back the admin menu items `height` property to `px` unit to prevent issues with themes using `html { font-size: 62.5%; }`.

Follow-up to [57765].

Props bgnicolepaschen, sabernhardt, huzaifaalmesbah, ironprogrammer, shailu25.
Fixes #60707.
See #43633.





git-svn-id: https://develop.svn.wordpress.org/trunk@57792 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/css/admin-bar.css

@@ -187,7 +187,7 @@ html:lang(he-il) .rtl #wpadminbar * {
 #wpadminbar.nojs .quicklinks .menupop:hover ul li .ab-item,
 #wpadminbar .shortlink-input {
 	line-height: 2;
-	height: 1.625rem;
+	height: 26px;
 	white-space: nowrap;
 	min-width: 140px;
 }
@@ -463,7 +463,7 @@ html:lang(he-il) .rtl #wpadminbar * {
 #wpadminbar #wp-admin-bar-user-info span {
 	background: none;
 	padding: 0;
-	height: 1.125rem;
+	height: 18px;
 }
 
 #wpadminbar #wp-admin-bar-user-info .display-name,