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/zod/v4/mini/external.d.ts

@@ -0,0 +1,12 @@
+export * as core from "../core/index.js";
+export * from "./parse.js";
+export * from "./schemas.js";
+export * from "./checks.js";
+export type { infer, output, input } from "../core/index.js";
+export { globalRegistry, registry, config, $output, $input, $brand, clone, regexes, treeifyError, prettifyError, formatError, flattenError, TimePrecision, util, NEVER, } from "../core/index.js";
+export { toJSONSchema } from "../core/json-schema-processors.js";
+export * as locales from "../locales/index.js";
+/** A special constant with type `never` */
+export * as iso from "./iso.js";
+export { ZodMiniISODateTime, ZodMiniISODate, ZodMiniISOTime, ZodMiniISODuration, } from "./iso.js";
+export * as coerce from "./coerce.js";