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/@msgpack/msgpack/dist/ExtensionCodec.d.ts

@@ -0,0 +1,24 @@
+import { ExtData } from "./ExtData";
+export declare type ExtensionDecoderType<ContextType> = (data: Uint8Array, extensionType: number, context: ContextType) => unknown;
+export declare type ExtensionEncoderType<ContextType> = (input: unknown, context: ContextType) => Uint8Array | null;
+export declare type ExtensionCodecType<ContextType> = {
+    __brand?: ContextType;
+    tryToEncode(object: unknown, context: ContextType): ExtData | null;
+    decode(data: Uint8Array, extType: number, context: ContextType): unknown;
+};
+export declare class ExtensionCodec<ContextType = undefined> implements ExtensionCodecType<ContextType> {
+    static readonly defaultCodec: ExtensionCodecType<undefined>;
+    __brand?: ContextType;
+    private readonly builtInEncoders;
+    private readonly builtInDecoders;
+    private readonly encoders;
+    private readonly decoders;
+    constructor();
+    register({ type, encode, decode, }: {
+        type: number;
+        encode: ExtensionEncoderType<ContextType>;
+        decode: ExtensionDecoderType<ContextType>;
+    }): void;
+    tryToEncode(object: unknown, context: ContextType): ExtData | null;
+    decode(data: Uint8Array, type: number, context: ContextType): unknown;
+}