FRE-600: Fix code review blockers

- Consolidated duplicate UndoManagers to single instance
- Fixed connection promise to only resolve on 'connected' status
- Fixed WebSocketProvider import (WebsocketProvider)
- Added proper doc.destroy() cleanup
- Renamed isPresenceInitialized property to avoid conflict

Co-Authored-By: Paperclip <noreply@paperclip.ing>

node_modules/stream-json/streamers/StreamObject.js

@@ -0,0 +1,43 @@
+'use strict';
+
+const StreamBase = require('./StreamBase');
+const withParser = require('../utils/withParser');
+
+class StreamObject extends StreamBase {
+  static make(options) {
+    return new StreamObject(options);
+  }
+
+  static withParser(options) {
+    return withParser(StreamObject.make, options);
+  }
+
+  constructor(options) {
+    super(options);
+    this._level = 1;
+    this._lastKey = null;
+  }
+
+  _wait(chunk, _, callback) {
+    // first chunk should open an array
+    if (chunk.name !== 'startObject') {
+      return callback(new Error('Top-level object should be an object.'));
+    }
+    this._transform = this._filter;
+    return this._transform(chunk, _, callback);
+  }
+
+  _push(discard) {
+    if (this._lastKey === null) {
+      this._lastKey = this._assembler.key;
+    } else {
+      !discard && this.push({key: this._lastKey, value: this._assembler.current[this._lastKey]});
+      this._assembler.current = {};
+      this._lastKey = null;
+    }
+  }
+}
+StreamObject.streamObject = StreamObject.make;
+StreamObject.make.Constructor = StreamObject;
+
+module.exports = StreamObject;