feat: add settings to toggle BTTV/FFZ global/channel emotes (#3935)

* feat: add settings to disable BTTV/FFZ global/channel emotes

* docs: add changelog entry

* fix: capitalize `BTTV` and `FFZ`

* fix: rename and move settings

src/providers/twitch/TwitchIrcServer.hpp

@@ -33,6 +33,11 @@ public:
 
     void bulkRefreshLiveStatus();
 
+    void reloadBTTVGlobalEmotes();
+    void reloadAllBTTVChannelEmotes();
+    void reloadFFZGlobalEmotes();
+    void reloadAllFFZChannelEmotes();
+
     Atomic<QString> lastUserThatWhisperedMe;
 
     const ChannelPtr whispersChannel;