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.cpp

@@ -7,10 +7,16 @@
 #include "controllers/ignores/IgnorePhrase.hpp"
 #include "controllers/userdata/UserDataController.hpp"
 #include "messages/Emote.hpp"
+#include "messages/Image.hpp"
 #include "messages/Message.hpp"
+#include "messages/MessageThread.hpp"
 #include "providers/chatterino/ChatterinoBadges.hpp"
+#include "providers/colors/ColorProvider.hpp"
 #include "providers/ffz/FfzBadges.hpp"
 #include "providers/seventv/SeventvBadges.hpp"
+#include "providers/twitch/api/Helix.hpp"
+#include "providers/twitch/ChannelPointReward.hpp"
+#include "providers/twitch/PubSubActions.hpp"
 #include "providers/twitch/TwitchAccount.hpp"
 #include "providers/twitch/TwitchBadge.hpp"
 #include "providers/twitch/TwitchBadges.hpp"
@@ -27,7 +33,6 @@
 #include "widgets/Window.hpp"
 
 #include <boost/variant.hpp>
-#include <QApplication>
 #include <QColor>
 #include <QDebug>
 #include <QMediaPlayer>