decos: groupbar mouse interaction (#3102)

* allow groupbar clicking
	modified:   src/Window.cpp
	modified:   src/Window.hpp
	modified:   src/managers/input/InputManager.cpp
	modified:   src/render/decorations/CHyprGroupBarDecoration.cpp
	modified:   src/render/decorations/CHyprGroupBarDecoration.hpp

* remove setting pos inside insertWindowToGroup()

modified:   src/Window.cpp
modified:   src/layout/DwindleLayout.cpp
modified:   src/layout/MasterLayout.cpp
modified:   src/managers/KeybindManager.cpp

* add group window by index and group size functions
modified:   src/Window.cpp
modified:   src/Window.hpp
modified:   src/managers/input/InputManager.cpp

* allow dragging into groupbar
modified:   src/Window.cpp
modified:   src/layout/DwindleLayout.cpp
modified:   src/layout/MasterLayout.cpp

* allow dragging from groupbar
modified:   src/managers/KeybindManager.cpp

* try groupbar clicking before border resize
modified:   src/managers/input/InputManager.cpp

* block grabbing groupbar on floating (crash)

remove later when crashing is fixed

modified:   src/managers/KeybindManager.cpp

* remove redundant { }
modified:   src/layout/DwindleLayout.cpp
modified:   src/layout/MasterLayout.cpp

* implement getWindowDecorationBox()
modified:   src/Window.cpp
modified:   src/Window.hpp
modified:   src/layout/DwindleLayout.cpp
modified:   src/layout/MasterLayout.cpp
modified:   src/managers/KeybindManager.cpp
modified:   src/managers/input/InputManager.cpp
modified:   src/render/decorations/CHyprDropShadowDecoration.cpp
modified:   src/render/decorations/CHyprGroupBarDecoration.cpp
modified:   src/render/decorations/IHyprWindowDecoration.cpp
modified:   src/render/decorations/IHyprWindowDecoration.hpp

* fix crash when moveoutofgroup in floating windows

also removes dragging from floating windows limitation

modified:   src/layout/IHyprLayout.cpp
modified:   src/managers/KeybindManager.cpp

* use CRegion in getWindowDecorationBox()
modified:   src/helpers/Region.cpp
modified:   src/helpers/Region.hpp
modified:   src/layout/DwindleLayout.cpp
modified:   src/layout/MasterLayout.cpp
modified:   src/managers/KeybindManager.cpp
modified:   src/managers/input/InputManager.cpp
modified:   src/render/decorations/IHyprWindowDecoration.cpp
modified:   src/render/decorations/IHyprWindowDecoration.hpp

* add groupbar scrolling
modified:   src/config/ConfigManager.cpp
modified:   src/managers/input/InputManager.cpp

* change name to getWindowDecorationRegion()
modified:   src/layout/DwindleLayout.cpp
modified:   src/layout/MasterLayout.cpp
modified:   src/managers/KeybindManager.cpp
modified:   src/managers/input/InputManager.cpp
modified:   src/render/decorations/IHyprWindowDecoration.cpp
modified:   src/render/decorations/IHyprWindowDecoration.hpp

* make dragging from group less hacky for floating
modified:   src/managers/KeybindManager.cpp

src/helpers/Region.hpp

@@ -42,6 +42,8 @@ class CRegion {
     CRegion&                    intersect(double x, double y, double w, double h);
     CRegion&                    translate(const Vector2D& vec);
     CRegion&                    invert(pixman_box32_t* box);
+    wlr_box                     getExtents();
+    bool                        containsPoint(const Vector2D& vec);
     bool                        empty();
 
     std::vector<pixman_box32_t> getRects() const;
@@ -52,4 +54,4 @@ class CRegion {
 
   private:
     pixman_region32_t m_rRegion;
-};
+};