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/splits/Split.cpp

@@ -22,10 +22,6 @@
 #include "util/Helpers.hpp"
 #include "util/NuulsUploader.hpp"
 #include "util/StreamLink.hpp"
-#include "widgets/Notebook.hpp"
-#include "widgets/Scrollbar.hpp"
-#include "widgets/TooltipWidget.hpp"
-#include "widgets/Window.hpp"
 #include "widgets/dialogs/QualityPopup.hpp"
 #include "widgets/dialogs/SelectChannelDialog.hpp"
 #include "widgets/dialogs/SelectChannelFiltersDialog.hpp"
@@ -35,10 +31,14 @@
 #include "widgets/helper/NotebookTab.hpp"
 #include "widgets/helper/ResizingTextEdit.hpp"
 #include "widgets/helper/SearchPopup.hpp"
+#include "widgets/Notebook.hpp"
+#include "widgets/Scrollbar.hpp"
 #include "widgets/splits/SplitContainer.hpp"
 #include "widgets/splits/SplitHeader.hpp"
 #include "widgets/splits/SplitInput.hpp"
 #include "widgets/splits/SplitOverlay.hpp"
+#include "widgets/TooltipWidget.hpp"
+#include "widgets/Window.hpp"
 
 #include <QApplication>
 #include <QClipboard>