Add an EmojiMap which is like an EmoteMap except it contains data for Emojis

Fix emote popup not inserting the correct emoji value on click. It no
inserts the shortcode (i.e. 👌)

Fix #299

src/singletons/emotemanager.hpp

@@ -42,7 +42,7 @@ public:
     util::EmoteMap &getFFZEmotes();
     util::EmoteMap &getChatterinoEmotes();
     util::EmoteMap &getBTTVChannelEmoteFromCaches();
-    util::EmoteMap &getEmojis();
+    util::EmojiMap &getEmojis();
     util::ConcurrentMap<int, util::EmoteData> &getFFZChannelEmoteFromCaches();
     util::ConcurrentMap<long, util::EmoteData> &getTwitchEmoteFromCache();
 
@@ -78,8 +78,7 @@ private:
     // Maps the first character of the emoji unicode string to a vector of possible emojis
     QMap<QChar, QVector<EmojiData>> emojiFirstByte;
 
-    //            url      Emoji-one image
-    util::EmoteMap emojis;
+    util::EmojiMap emojis;
 
     void loadEmojis();