Partially revert "Mixer: Avoid some unnecessary redraws when opening project."

This reverts commit e303cf093f.

mixer/src/JACK_Module.C

@@ -342,8 +342,7 @@ JACK_Module::update_connection_status ( void )
     else
         size( w(), 24 );
         
-    /* parent()->parent()->redraw(); */
-    parent()->redraw();
+    parent()->parent()->redraw();
 }
 
 void

mixer/src/Mixer.C

@@ -764,7 +764,7 @@ void Mixer::add ( Mixer_Strip *ms )
     mixer_strips->add( ms );
 
     ms->size( ms->w(), _strip_height );
-    /* ms->redraw(); */
+    ms->redraw();
     ms->take_focus();
 
     renumber_strips();