Fix some status bar widgets could not be hidden via customisation

Author: nyalldawson

src/app/qgisapp.cpp

@@ -2281,17 +2281,20 @@ void QgisApp::createStatusBar()
 
   //coords status bar widget
   mCoordsEdit = new QgsStatusBarCoordinatesWidget( statusBar() );
+  mCoordsEdit->setObjectName( "mCoordsEdit" );
   mCoordsEdit->setMapCanvas( mMapCanvas );
   mCoordsEdit->setFont( myFont );
   statusBar()->addPermanentWidget( mCoordsEdit, 0 );
 
   mScaleWidget = new QgsStatusBarScaleWidget( mMapCanvas, statusBar() );
+  mScaleWidget->setObjectName( "mScaleWidget" );
   mScaleWidget->setFont( myFont );
   connect( mScaleWidget, SIGNAL( scaleLockChanged( bool ) ), mMapCanvas, SLOT( setScaleLocked( bool ) ) );
   statusBar()->addPermanentWidget( mScaleWidget, 0 );
 
   // zoom widget
   mMagnifierWidget = new QgsStatusBarMagnifierWidget( statusBar() );
+  mMagnifierWidget->setObjectName( "mMagnifierWidget" );
   mMagnifierWidget->setFont( myFont );
   connect( mMapCanvas, SIGNAL( magnificationChanged( double ) ), mMagnifierWidget, SLOT( updateMagnification( double ) ) );
   connect( mMagnifierWidget, SIGNAL( magnificationChanged( double ) ), mMapCanvas, SLOT( setMagnificationFactor( double ) ) );