Merge "Lazy creation for heavy menu"

diff --combined resources/src/mediawiki.rcfilters/mw.rcfilters.init.js
index 20c1463,7f1372c..5ab32ea
--- 1/resources/src/mediawiki.rcfilters/mw.rcfilters.init.js
--- 2/resources/src/mediawiki.rcfilters/mw.rcfilters.init.js
+++ b/resources/src/mediawiki.rcfilters/mw.rcfilters.init.js
@@@ -39,11 -39,6 +39,11 @@@
                        new mw.rcfilters.ui.ChangesListWrapperWidget(
                                filtersModel, changesListModel, controller, $( '.mw-changeslist, .mw-changeslist-empty' ) );
  
 +                      // Remove the -loading class that may have been added on the server side.
 +                      // If we are in fact going to load a default saved query, this .initialize()
 +                      // call will do that and add the -loading class right back.
 +                      $( 'body' ).removeClass( 'mw-rcfilters-ui-loading' );
 +
                        controller.initialize(
                                mw.config.get( 'wgStructuredChangeFilters' ),
                                mw.config.get( 'wgFormattedNamespaces' ),
@@@ -55,9 -50,8 +55,9 @@@
                                filtersModel, changesListModel, controller, $( 'fieldset.cloptions' ) );
  
                        $( '.rcfilters-container' ).append( filtersWidget.$element );
 -                      $( 'body' ).append( $overlay );
 -                      $( '.rcfilters-head' ).addClass( 'mw-rcfilters-ui-ready' );
 +                      $( 'body' )
 +                              .append( $overlay )
 +                              .addClass( 'mw-rcfilters-ui-initialized' );
  
                        $( 'a.mw-helplink' ).attr(
                                'href',
@@@ -96,7 -90,12 +96,12 @@@
                }
        };
  
-       $( rcfilters.init );
+       // Early execute of init
+       if ( document.readyState === 'interactive' || document.readyState === 'complete' ) {
+               rcfilters.init();
+       } else {
+               $( rcfilters.init );
+       }
  
        module.exports = rcfilters;