Editor scrolling:

* Reduce the starting height of the editor to better match the height at which the top toolbar unpins.
* Pin the side metaboxes so they do not get lost when the editor content is long.
* Turn magic numbers into variables.

props stephdau, azaozz. see #28328.


Built from https://develop.svn.wordpress.org/trunk@29495


git-svn-id: http://core.svn.wordpress.org/trunk@29273 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/css/edit.css

@@ -405,6 +405,10 @@ td.plugin-title p {
 }
 /* end editor-expand.js override */
 
+#poststuff #post-body.columns-2 #side-sortables {
+	width: 280px;
+}
+
 #timestampdiv select {
 	height: 21px;
 	line-height: 14px;
@@ -1229,6 +1233,7 @@ table.links-table {
 
 	#poststuff #post-body.columns-2 #side-sortables {
 		min-height: 0;
+		width: auto;
 	}
 
 	/* hide the radio buttons for column prefs */