Fix issue #1583: Don't highlight cell outside message bubble (when lo…

…ng press) (#1744)

In summary, overriden "touchesBegan" gaining all touch control of the JSQMessagesCollectionViewCell touches

JSQMessagesViewController/Views/JSQMessagesCollectionViewCell.m

@@ -212,12 +212,14 @@ - (void)applyLayoutAttributes:(UICollectionViewLayoutAttributes *)layoutAttribut
 - (void)setHighlighted:(BOOL)highlighted
 {
     [super setHighlighted:highlighted];
+    self.avatarImageView.highlighted = highlighted;
     self.messageBubbleImageView.highlighted = highlighted;
 }
 
 - (void)setSelected:(BOOL)selected
 {
     [super setSelected:selected];
+    self.avatarImageView.highlighted = selected;
     self.messageBubbleImageView.highlighted = selected;
 }
 
@@ -247,6 +249,9 @@ - (BOOL)respondsToSelector:(SEL)aSelector
     return [super respondsToSelector:aSelector];
 }
 
+-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{
+}
+
 - (void)forwardInvocation:(NSInvocation *)anInvocation
 {
     if ([jsqMessagesCollectionViewCellActions containsObject:NSStringFromSelector(anInvocation.selector)]) {
@@ -383,7 +388,7 @@ - (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceive
         return CGRectContainsPoint(self.messageBubbleContainerView.frame, touchPt);
     }
 
-    return YES;
+    return NO;
 }
 
 @end