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/crypto/ecdsa.d.ts

@@ -0,0 +1,17 @@
+export function sign(key: CryptoKey, data: Uint8Array<ArrayBuffer>): PromiseLike<Uint8Array<ArrayBuffer>>;
+export function verify(key: CryptoKey, signature: Uint8Array<ArrayBuffer>, data: Uint8Array<ArrayBuffer>): PromiseLike<boolean>;
+export function generateKeyPair({ extractable, usages }?: {
+    extractable?: boolean | undefined;
+    usages?: Usages | undefined;
+}): Promise<CryptoKeyPair>;
+export function importKeyJwk(jwk: any, { extractable, usages }?: {
+    extractable?: boolean | undefined;
+    usages?: Usages | undefined;
+}): Promise<CryptoKey>;
+export function importKeyRaw(raw: any, { extractable, usages }?: {
+    extractable?: boolean | undefined;
+    usages?: Usages | undefined;
+}): Promise<CryptoKey>;
+export type Usages = Array<"sign" | "verify">;
+export { exportKeyJwk, exportKeyRaw } from "./common.js";
+//# sourceMappingURL=ecdsa.d.ts.map