Merge from vscode 81d7885dc2e9dc617e1522697a2966bc4025a45d (#5949)

* Merge from vscode 81d7885dc2e9dc617e1522697a2966bc4025a45d

* Fix vs unit tests and hygiene issue

* Fix strict null check issue

extensions/objective-c/test/colorize-fixtures/test.mm

@@ -0,0 +1,52 @@
+//
+//  Copyright (c) Microsoft Corporation. All rights reserved.
+//
+
+#import "UseQuotes.h"
+#import <Use/GTLT.h>
+
+/*
+	Multi
+	Line
+	Comments
+*/
+@implementation Test
+
+- (void) applicationWillFinishLaunching:(NSNotification *)notification
+{
+}
+
+- (IBAction)onSelectInput:(id)sender
+{
+    NSString* defaultDir = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, true)[0];
+
+    NSOpenPanel* panel = [NSOpenPanel openPanel];
+    [panel setAllowedFileTypes:[[NSArray alloc] initWithObjects:@"ipa", @"xcarchive", @"app", nil]];
+
+    [panel beginWithCompletionHandler:^(NSInteger result)
+     {
+         if (result == NSFileHandlingPanelOKButton)
+             [self.inputTextField setStringValue:[panel.URL path]];
+     }];
+     return YES;
+
+     int hex = 0xFEF1F0F;
+	 float ing = 3.14;
+	 ing = 3.14e0;
+	 ing = 31.4e-2;
+}
+
+-(id) initWithParams:(id<anObject>) aHandler withDeviceStateManager:(id<anotherObject>) deviceStateManager
+{
+    // add a tap gesture recognizer
+    UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleTap:)];
+    NSMutableArray *gestureRecognizers = [NSMutableArray array];
+    [gestureRecognizers addObject:tapGesture];
+    [gestureRecognizers addObjectsFromArray:scnView.gestureRecognizers];
+    scnView.gestureRecognizers = gestureRecognizers;
+
+	return tapGesture;
+	return nil;
+}
+
+@end