General cleanups/reformats

- Clean up imports
- Comment EmojiData
- Reorder TwitchAccount constructor
- Fix typo in TwitchChannel
- Add emoji parsing test code at the bottom of EmoteManager

src/widgets/helper/titlebarbutton.cpp

@@ -2,6 +2,7 @@
 
 namespace chatterino {
 namespace widgets {
+
 TitleBarButton::TitleBarButton()
     : RippleEffectButton(nullptr)
 {
@@ -114,5 +115,6 @@ void TitleBarButton::paintEvent(QPaintEvent *)
 
     this->fancyPaint(painter);
 }
+
 }  // namespace widgets
 }  // namespace chatterino