[Search] Fix expand/collapse animation for non-predictive back cases where rootView bounds are not equal to searchView bounds

PiperOrigin-RevId: 530596832

Author: dsn5ft

lib/java/com/google/android/material/search/SearchViewAnimationHelper.java

@@ -339,7 +339,7 @@ private Animator getRootViewAnimator(boolean show) {
     Rect toClipBounds =
         initialHideToClipBounds != null
             ? initialHideToClipBounds
-            : ViewUtils.calculateRectFromBounds(rootView);
+            : ViewUtils.calculateRectFromBounds(searchView);
     Rect fromClipBounds =
         initialHideFromClipBounds != null
             ? initialHideFromClipBounds