Fix T48283: on OS X, mouse clicks not working properly if application launch takes a long time.

Referenced by issue #49010, Portals seem to be broken
Referenced by issue #48283, OSX: GUI left-click is broken after long Python script on startup

intern/ghost/intern/GHOST_SystemCocoa.mm

@@ -289,6 +289,7 @@ extern "C" int GHOST_HACK_getFirstFile(char buf[FIRSTFILEBUFLG])
 	GHOST_SystemCocoa *systemCocoa;
 }
 - (void)setSystemCocoa:(GHOST_SystemCocoa *)sysCocoa;
+- (void)applicationDidFinishLaunching:(NSNotification *)aNotification;
 - (BOOL)application:(NSApplication *)theApplication openFile:(NSString *)filename;
 - (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication *)sender;
 - (void)applicationWillTerminate:(NSNotification *)aNotification;
@@ -302,6 +303,15 @@ extern "C" int GHOST_HACK_getFirstFile(char buf[FIRSTFILEBUFLG])
 	systemCocoa = sysCocoa;
 }
 
+- (void)applicationDidFinishLaunching:(NSNotification *)aNotification
+{
+	// raise application to front, convenient when starting from the terminal
+	// and important for launching the animation player. we call this after the
+	// application finishes launching, as doing it earlier can make us end up
+	// with a frontmost window but an inactive application
+	[NSApp activateIgnoringOtherApps:YES];
+}
+
 - (BOOL)application:(NSApplication *)theApplication openFile:(NSString *)filename
 {
 	return systemCocoa->handleOpenDocumentRequest(filename);

intern/ghost/intern/GHOST_WindowCocoa.mm

@@ -622,8 +622,6 @@ GHOST_WindowCocoa::GHOST_WindowCocoa(
 		m_lionStyleFullScreen = true;
 	}
 	
-	[NSApp activateIgnoringOtherApps:YES]; // raise application to front, important for new blender instance animation play case
-	
 	[pool drain];
 }