fix: allow partial signer state in files store

Signed-off-by: Vitor Mattos <1079143+vitormattos@users.noreply.github.com>

Author: vitormattos

src/store/files.js

@@ -48,7 +48,7 @@ import { useSidebarStore } from './sidebar.js'
  * 	description?: string | null
  * 	notify?: number
  * 	status?: number
- * 	statusText: string
+ * 	statusText?: string
  * 	signingOrder?: number
  * 	localKey?: string
  * 	acceptsEmailNotifications?: boolean