Merge branch 'web-fix' into wasm

Author: p-mazhnik

flutter_inappwebview_web/lib/assets/web/web_support.js

@@ -1,7 +1,7 @@
 window.flutter_inappwebview = {
     webViews: {},
     /**
-     * @param viewId {number}
+     * @param viewId {number | string}
      * @param iframe {HTMLIFrameElement}
      * @param iframeContainer {HTMLDivElement}
      */