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/better-sqlite3/lib/methods/pragma.js

@@ -0,0 +1,12 @@
+'use strict';
+const { getBooleanOption, cppdb } = require('../util');
+
+module.exports = function pragma(source, options) {
+	if (options == null) options = {};
+	if (typeof source !== 'string') throw new TypeError('Expected first argument to be a string');
+	if (typeof options !== 'object') throw new TypeError('Expected second argument to be an options object');
+	const simple = getBooleanOption(options, 'simple');
+
+	const stmt = this[cppdb].prepare(`PRAGMA ${source}`, this, true);
+	return simple ? stmt.pluck().get() : stmt.all();
+};