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/babel-preset-solid/README.md

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+# babel-preset-solid
+Babel preset to transform JSX into Solid runtime calls.
+
+### Install
+
+Via NPM
+
+```javascript
+npm install babel-preset-solid --save-dev
+```
+
+or Yarn
+
+```javascript
+yarn add babel-preset-solid --dev
+```
+
+### Usage
+
+Make or update your .babelrc config file with the preset:
+
+```javascript
+{
+  "presets": [
+    "solid"
+  ]
+}
+```
+
+Via package.json
+
+```javascript
+   ...
+   "babel": {
+     "presets": [
+       "es2015",
+       "solid"
+     ],
+     "plugins": [
+     ]
+   },
+   ...
+```
+
+### Usage for SSR code
+When need to transform JSX code to be used on the server, pass the following options
+
+```javascript
+{
+  "presets": [
+    ["solid", { "generate": "ssr", "hydratable": true }]
+  ]
+}
+```
+And for the browser build pass the hydratable option as well:
+```javascript
+{
+  "presets": [
+    ["solid", { "generate": "dom", "hydratable": true }]
+  ]
+}
+```