Minor tweaks to Component and OSX fullscreen behaviour.

modules/juce_gui_basics/components/juce_Component.cpp

@@ -622,7 +622,7 @@ void Component::removeFromDesktop()
 {
     // if component methods are being called from threads other than the message
     // thread, you'll need to use a MessageManagerLock object to make sure it's thread-safe.
-    CHECK_MESSAGE_MANAGER_IS_LOCKED
+    CHECK_MESSAGE_MANAGER_IS_LOCKED_OR_OFFSCREEN
 
     if (flags.hasHeavyweightPeerFlag)
     {

modules/juce_gui_basics/native/juce_mac_NSViewComponentPeer.mm

@@ -1798,6 +1798,7 @@ void Desktop::setKioskComponent (Component* kioskModeComponent, bool enableOrDis
             [NSApp setPresentationOptions: (allowMenusAndBars ? (NSApplicationPresentationAutoHideDock | NSApplicationPresentationAutoHideMenuBar)
                                                               : (NSApplicationPresentationHideDock | NSApplicationPresentationHideMenuBar))];
             kioskModeComponent->setBounds (Desktop::getInstance().getMainMonitorArea (false));
+            peer->becomeKeyWindow();
         }
         else
         {