feat: Unify scroll constraint

Signed-off-by: Mark Tolmacs <mark@lazycat.hu>

excalidraw-app/components/AppFooter.tsx

@@ -26,7 +26,8 @@ const ScrollConstraintsDebugFooter = ({
 
   const setLock = useCallback(
     (nextLock: ScrollConstraints) => {
-      excalidrawAPI?.setScrollConstraints(nextLock);
+      // pass an empty target so the constraints are applied without scrolling
+      excalidrawAPI?.scrollToContent([], { scrollConstraints: nextLock });
       setActiveLock(nextLock);
     },
     [excalidrawAPI],
@@ -38,7 +39,7 @@ const ScrollConstraintsDebugFooter = ({
     }
 
     if (activeLock) {
-      excalidrawAPI.setScrollConstraints(null);
+      excalidrawAPI.scrollToContent([], { scrollConstraints: null });
       setActiveLock(null);
       return;
     }