renderer: Border improvements (#2986)

* simplify getting border size
	modified:   src/Window.cpp
	modified:   src/Window.hpp
	modified:   src/layout/DwindleLayout.cpp
	modified:   src/layout/MasterLayout.cpp
	modified:   src/render/decorations/CHyprGroupBarDecoration.cpp

* fix border damage and input box
	modified:   src/Window.cpp
	modified:   src/managers/AnimationManager.cpp

* add border size in resize_on_border box
	modified:   src/managers/input/InputManager.cpp

* simplify border (fixes possible typo)
	modified:   src/Window.cpp

* use updateSpecialRenderData()
	modified:   Window.cpp
	modified:   Window.hpp
	modified:   events/Windows.cpp
	modified:   layout/DwindleLayout.cpp
	modified:   layout/IHyprLayout.cpp
	modified:   layout/MasterLayout.cpp
	modified:   render/Renderer.cpp

* update window workspace rule data on reload
	modified:   src/config/ConfigManager.cpp

* use rounding()
	modified:   src/Window.cpp

src/Window.hpp

@@ -334,6 +334,9 @@ class CWindow {
     bool                     opaque();
     float                    rounding();
 
+    int                      getRealBorderSize();
+    void                     updateSpecialRenderData();
+
     void                     onBorderAngleAnimEnd(void* ptr);
     bool                     isInCurvedCorner(double x, double y);
     bool                     hasPopupAt(const Vector2D& pos);