Merge "resourceloader: Set value for getStoreKey in server-side"

diff --combined resources/src/startup/mediawiki.js
index e14103a,e77555c..dbb32e5
--- 1/resources/src/startup/mediawiki.js
--- 2/resources/src/startup/mediawiki.js
+++ b/resources/src/startup/mediawiki.js
@@@ -444,6 -444,19 +444,6 @@@
                 */
                libs: {},
  
 -              /**
 -               * Access container for deprecated functionality that can be moved from
 -               * from their legacy location and attached to this object (e.g. a global
 -               * function that is deprecated and as stop-gap can be exposed through here).
 -               *
 -               * This was reserved for future use but never ended up being used.
 -               *
 -               * @deprecated since 1.22 Let deprecated identifiers keep their original name
 -               *  and use mw.log#deprecate to create an access container for tracking.
 -               * @property
 -               */
 -              legacy: {},
 -
                /**
                 * Store for messages.
                 *
@@@ -2148,7 -2161,7 +2148,7 @@@
                                         * @return {string} localStorage item key
                                         */
                                        getStoreKey: function () {
-                                               return 'MediaWikiModuleStore:' + mw.config.get( 'wgDBname' );
+                                               return $VARS.storeKey;
                                        },
  
                                        /**