Merge pull request #1390 from OneSignal/fix/iam_status_bar

Update IAM view controller to hide status bar on full-bleed In-App Messages

iOS_SDK/OneSignalSDK/OneSignalInAppMessages/UI/OSInAppMessageViewController.m

@@ -109,6 +109,11 @@ - (instancetype _Nonnull)initWithMessage:(OSInAppMessageInternal *)inAppMessage
     return self;
 }
 
+- (BOOL)prefersStatusBarHidden {
+    // Only the full-bleed IAM should remove status bar
+    return self.isFullscreen;
+}
+
 - (void)viewDidLoad {
     [super viewDidLoad];