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/lib0/dist/diff/patience.d.ts

@@ -0,0 +1,16 @@
+export function diff(as: Array<string>, bs: Array<string>): Array<{
+    index: number;
+    remove: Array<string>;
+    insert: Array<string>;
+}>;
+export function diffSplitBy(a: string, b: string, _regexp: RegExp | string): {
+    index: number;
+    remove: string;
+    insert: string;
+}[];
+export function diffAuto(a: string, b: string): {
+    insert: string;
+    remove: string;
+    index: number;
+}[];
+//# sourceMappingURL=patience.d.ts.map

node_modules/lib0/dist/diff/patience.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"patience.d.ts","sourceRoot":"","sources":["../../diff/patience.js"],"names":[],"mappings":"AAoBO,yBAJI,KAAK,CAAC,MAAM,CAAC,MACb,KAAK,CAAC,MAAM,CAAC,GACZ,KAAK,CAAC;IAAE,KAAK,EAAE,MAAM,CAAC;IAAC,MAAM,EAAE,KAAK,CAAC,MAAM,CAAC,CAAC;IAAC,MAAM,EAAE,KAAK,CAAC,MAAM,CAAC,CAAA;CAAC,CAAC,CAShF;AAOM,+BAJI,MAAM,KACN,MAAM,WACN,MAAM,GAAC,MAAM;;;;IAqBvB;AAWM,4BAHI,MAAM,KACN,MAAM;;;;IASP"}

node_modules/lib0/dist/diff/patience.test.d.ts

@@ -0,0 +1,4 @@
+export function testDiffing(_tc: t.TestCase): void;
+export function testRepeatRandomWordReplace(tc: t.TestCase): void;
+import * as t from '../testing.js';
+//# sourceMappingURL=patience.test.d.ts.map

node_modules/lib0/dist/diff/patience.test.d.ts.map

@@ -0,0 +1 @@
+{"version":3,"file":"patience.test.d.ts","sourceRoot":"","sources":["../../diff/patience.test.js"],"names":[],"mappings":"AAmBO,iCAFI,CAAC,CAAC,QAAQ,QAwGpB;AAKM,gDAFI,CAAC,CAAC,QAAQ,QAgDpB;mBA3KkB,eAAe"}