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/config/ConfigManager.cpp

@@ -1585,12 +1585,13 @@ void CConfigManager::loadConfigLoadVars() {
         ensureVRR();
     }
 
-    // Updates dynamic window rules
+    // Updates dynamic window and workspace rules
     for (auto& w : g_pCompositor->m_vWindows) {
         if (!w->m_bIsMapped)
             continue;
 
         w->updateDynamicRules();
+        w->updateSpecialRenderData();
     }
 
     // Update window border colors