Remove Unnecessary Includes in Headers (#4275)

* refactor: remove unnecessary includes in headers

* fix: formatting

* chore: changelog

* fix: scrollbar

* fix: suggestions and old appbase remains

* fix: suggestion

* fix: missing Qt forward declarations

* fix: another qt include

* fix: includes for precompiled-headers=off

* Add missing `<memory>` includes

* Add missing `#pragma once`

* Fix tests

Co-authored-by: Rasmus Karlsson <rasmus.karlsson@pajlada.com>

src/providers/twitch/TwitchMessageBuilder.hpp

@@ -2,13 +2,9 @@
 
 #include "common/Aliases.hpp"
 #include "common/Outcome.hpp"
-#include "messages/MessageThread.hpp"
 #include "messages/SharedMessageBuilder.hpp"
-#include "providers/twitch/api/Helix.hpp"
-#include "providers/twitch/ChannelPointReward.hpp"
-#include "providers/twitch/PubSubActions.hpp"
-#include "providers/twitch/TwitchBadge.hpp"
 
+#include <boost/optional.hpp>
 #include <IrcMessage>
 #include <QString>
 #include <QVariant>
@@ -20,6 +16,11 @@ using EmotePtr = std::shared_ptr<const Emote>;
 
 class Channel;
 class TwitchChannel;
+class MessageThread;
+struct HelixVip;
+using HelixModerator = HelixVip;
+struct ChannelPointReward;
+struct DeleteAction;
 
 struct TwitchEmoteOccurrence {
     int start;