Fullscreen image attachment menu.

Signal/src/view controllers/FullImageViewController.m

@@ -210,6 +210,7 @@
                                  self.view.userInteractionEnabled = YES;
                                  _isPresenting = NO;
                              }];
+    [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent];
     }];
 
 }

Signal/src/view controllers/MessagesViewController.m

@@ -634,9 +634,7 @@ typedef enum : NSUInteger {
                             TSAttachmentStream *attStream = (TSAttachmentStream*)attachment;
                             FullImageViewController * vc = [[FullImageViewController alloc] initWithAttachment:attStream fromRect:convertedRect forInteraction:[self interactionAtIndexPath:indexPath]];
 
-                            [self presentViewController:vc animated:YES completion:^{
-                                [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleLightContent];
-                            }];
+                            [vc presentFromViewController:self.navigationController];
                         }
                     } else {
                         DDLogWarn(@"Currently unsupported");