snap: fix border_overlap option for monitor snapping (#10987)

src/layout/IHyprLayout.hpp

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "../defines.hpp"
+#include "../managers/input/InputManager.hpp"
 #include <any>
 
 class CWindow;
@@ -211,6 +212,11 @@ class IHyprLayout {
     */
     virtual bool updateDragWindow();
 
+    /*
+        Triggers a window snap event
+    */
+    virtual void performSnap(Vector2D& sourcePos, Vector2D& sourceSize, PHLWINDOW DRAGGINGWINDOW, const eMouseBindMode MODE, const int CORNER, const Vector2D& BEGINSIZE);
+
   private:
     int          m_mouseMoveEventCount;
     Vector2D     m_beginDragXY;