fix: prevent unnecessary layout saves (#4201)

Co-authored-by: pajlada <rasmus.karlsson@pajlada.com>

src/widgets/BaseWindow.hpp

@@ -32,6 +32,7 @@ public:
         FramelessDraggable = 16,
         DontFocus = 32,
         Dialog = 64,
+        DisableLayoutSave = 128,
     };
 
     enum ActionOnFocusLoss { Nothing, Delete, Close, Hide };