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/index.js

@@ -0,0 +1,34 @@
+const jsxTransform = require("babel-plugin-jsx-dom-expressions");
+
+module.exports = function (context, options = {}) {
+  const plugins = [
+    [
+      jsxTransform,
+      Object.assign(
+        {
+          moduleName: "solid-js/web",
+          builtIns: [
+            "For",
+            "Show",
+            "Switch",
+            "Match",
+            "Suspense",
+            "SuspenseList",
+            "Portal",
+            "Index",
+            "Dynamic",
+            "ErrorBoundary"
+          ],
+          contextToCustomElements: true,
+          wrapConditionals: true,
+          generate: "dom"
+        },
+        options
+      )
+    ]
+  ];
+
+  return {
+    plugins
+  };
+};