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/yaml/dist/schema/Schema.js

@@ -0,0 +1,39 @@
+'use strict';
+
+var identity = require('../nodes/identity.js');
+var map = require('./common/map.js');
+var seq = require('./common/seq.js');
+var string = require('./common/string.js');
+var tags = require('./tags.js');
+
+const sortMapEntriesByKey = (a, b) => a.key < b.key ? -1 : a.key > b.key ? 1 : 0;
+class Schema {
+    constructor({ compat, customTags, merge, resolveKnownTags, schema, sortMapEntries, toStringDefaults }) {
+        this.compat = Array.isArray(compat)
+            ? tags.getTags(compat, 'compat')
+            : compat
+                ? tags.getTags(null, compat)
+                : null;
+        this.name = (typeof schema === 'string' && schema) || 'core';
+        this.knownTags = resolveKnownTags ? tags.coreKnownTags : {};
+        this.tags = tags.getTags(customTags, this.name, merge);
+        this.toStringOptions = toStringDefaults ?? null;
+        Object.defineProperty(this, identity.MAP, { value: map.map });
+        Object.defineProperty(this, identity.SCALAR, { value: string.string });
+        Object.defineProperty(this, identity.SEQ, { value: seq.seq });
+        // Used by createMap()
+        this.sortMapEntries =
+            typeof sortMapEntries === 'function'
+                ? sortMapEntries
+                : sortMapEntries === true
+                    ? sortMapEntriesByKey
+                    : null;
+    }
+    clone() {
+        const copy = Object.create(Schema.prototype, Object.getOwnPropertyDescriptors(this));
+        copy.tags = this.tags.slice();
+        return copy;
+    }
+}
+
+exports.Schema = Schema;