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/trait/fingerprint.d.ts

@@ -0,0 +1,13 @@
+export const FingerprintTraitSymbol: unique symbol;
+export function fingerprint(a: Fingerprintable): string;
+/**
+ * When implementing this trait, it is recommended to write some sort of "magic number" first to
+ * ensure that different types of objects don't have the same fingerprint.
+ *
+ * The recommended pracice is to generate a random u32 number as your magic number. e.g. using
+ * `console.log(random.uint32().toString(16))`
+ */
+export type Fingerprintable = {
+    [FingerprintTraitSymbol]: () => string;
+} | import("../encoding.js").AnyEncodable;
+//# sourceMappingURL=fingerprint.d.ts.map