fix(studio): gesture recording replaces existing position keyframes (#1360)

Gesture recording uses replace-with-keyframes mutation to replace existing
position-group tween. Fix N1 sign inversion and N9 wheel startPointer
with pointerElementOffset subtraction.

packages/studio/src/hooks/gsapRuntimeBridge.ts

@@ -226,6 +226,7 @@ export async function tryGsapDragIntercept(
 
   await commitGsapPositionFromDrag(selection, posAnim, offset, gsapPos, iframe, selector, {
     commitMutation,
+    fetchAnimations: fetchFallbackAnimations,
   });
   return true;
 }