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/confbox/dist/shared/confbox.9745c98f.d.mts

@@ -0,0 +1,24 @@
+interface FormatOptions {
+    /**
+     * A String or Number object that's used to insert white space into the output JSON string for readability purposes.
+     *
+     * When provided, identation won't be auto detected anymore.
+     */
+    indent?: string | number;
+    /**
+     * Set to `false` to skip indentation preservation.
+     */
+    preserveIndentation?: boolean;
+    /**
+     * Set to `false` to skip whitespace preservation.
+     */
+    preserveWhitespace?: boolean;
+    /**
+     * The number of characters to sample from the start of the text.
+     *
+     * Default: 1024
+     */
+    sampleSize?: number;
+}
+
+export type { FormatOptions as F };