Administration: Improve dashboard widgets border styles.

This changeset fixes a CSS glitch on dashboard widgets bottom border when they are collapsed.

Follow-up to [61646].

Props pratik-jain, audrasjb, ankitkumarshah.
Fixes #65017.
See #64549.


Built from https://develop.svn.wordpress.org/trunk@62206


git-svn-id: http://core.svn.wordpress.org/trunk@61486 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/css/common-rtl.css

@@ -2282,7 +2282,7 @@ html.wp-toolbar {
 	line-height: 1;
 }
 
-.postbox.closed {
+.postbox.closed .postbox-header {
 	border-bottom: 0;
 }
 

wp-admin/css/common.css

@@ -2281,7 +2281,7 @@ html.wp-toolbar {
 	line-height: 1;
 }
 
-.postbox.closed {
+.postbox.closed .postbox-header {
 	border-bottom: 0;
 }
 

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '7.1-alpha-62205';
+$wp_version = '7.1-alpha-62206';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.