Sort and force grouping of includes (#4172)

This change enforces strict include grouping using IncludeCategories

In addition to adding this to the .clang-format file and applying it in the tests/src and src directories, I also did the following small changes:

    In ChatterSet.hpp, I changed lrucache to a <>include
    In Irc2.hpp, I change common/SignalVector.hpp to a "project-include"
    In AttachedWindow.cpp, NativeMessaging.cpp, WindowsHelper.hpp, BaseWindow.cpp, and StreamerMode.cpp, I disabled clang-format for the windows-includes
    In WindowDescriptors.hpp, I added the missing vector include. It was previously not needed because the include was handled by another file that was previously included first.
    clang-format minimum version has been bumped, so Ubuntu version used in the check-formatting job has been bumped to 22.04 (which is the latest LTS)

src/widgets/helper/ChannelView.hpp

@@ -1,15 +1,5 @@
 #pragma once
 
-#include <QPaintEvent>
-#include <QScroller>
-#include <QTimer>
-#include <QVariantAnimation>
-#include <QWheelEvent>
-#include <QWidget>
-#include <pajlada/signals/signal.hpp>
-#include <unordered_map>
-#include <unordered_set>
-
 #include "common/FlagsEnum.hpp"
 #include "controllers/filters/FilterSet.hpp"
 #include "messages/Image.hpp"
@@ -18,6 +8,17 @@
 #include "messages/Selection.hpp"
 #include "widgets/BaseWidget.hpp"
 
+#include <pajlada/signals/signal.hpp>
+#include <QPaintEvent>
+#include <QScroller>
+#include <QTimer>
+#include <QVariantAnimation>
+#include <QWheelEvent>
+#include <QWidget>
+
+#include <unordered_map>
+#include <unordered_set>
+
 namespace chatterino {
 enum class HighlightState;