Impl record iframe (#481)

* Impl record iframe

* iframe observe

* temp: add bundle file to git

* update bundle

* update with pick

* update bundle

* fix fragment map remove

* feat: add an option to determine whether to pause CSS animation when playback is paused (#428)

set pauseAnimation to true by default

* fix: elements would lose some states like scroll position because of "virtual parent" optimization (#427)

* fix: elements would lose some state like scroll position because of "virtual parent" optimization

* refactor: the bugfix code

bug: elements would lose some state like scroll position because of "virtual parent" optimization

* fix: an error occured at applyMutation(remove nodes part)

error message:
Uncaught (in promise) DOMException: Failed to execute 'removeChild' on 'Node': The node to be removed is not a child of this node

* pick fixes

* revert ignore file

* re-impl iframe record

* re-impl iframe replay

* code housekeeping

* move multi layer dimension calculation to replay side

* update test cases

* teardown test server

* upgrade rrweb-snapshot with iframe load timeout

Co-authored-by: Lucky Feng <yun.feng@smartx.com>

typings/record/iframe-manager.d.ts

@@ -0,0 +1,13 @@
+import { serializedNodeWithId, INode } from 'rrweb-snapshot';
+import { mutationCallBack } from '../types';
+export declare class IframeManager {
+    private iframes;
+    private mutationCb;
+    private loadListener?;
+    constructor(options: {
+        mutationCb: mutationCallBack;
+    });
+    addIframe(iframeEl: HTMLIFrameElement): void;
+    addLoadListener(cb: (iframeEl: HTMLIFrameElement) => unknown): void;
+    attachIframe(iframeEl: INode, childSn: serializedNodeWithId): void;
+}