fix(RAC): use ICB size as the fallback value for visual viewport

Author: lixiaoyan

packages/@react-aria/utils/src/useViewportSize.ts

@@ -91,7 +91,7 @@ export function useViewportSize(): ViewportSize {
 function getViewportSize(): ViewportSize {
   return {
     // Multiply by the visualViewport scale to get the "natural" size, unaffected by pinch zooming.
-    width: visualViewport ? visualViewport.width * visualViewport.scale : window.innerWidth,
-    height: visualViewport ? visualViewport.height * visualViewport.scale : window.innerHeight
+    width: visualViewport ? visualViewport.width * visualViewport.scale : document.documentElement.clientWidth,
+    height: visualViewport ? visualViewport.height * visualViewport.scale : document.documentElement.clientHeight
   };
 }