Add missing `invalidFilePassword` to messages.json (#6678)

Co-authored-by: Daniel James Smith <djsmith85@users.noreply.github.com>

apps/desktop/src/locales/en/messages.json

@@ -2480,6 +2480,9 @@
   "importEncKeyError": {
     "message": "Error decrypting the exported file. Your encryption key does not match the encryption key used export the data."
   },
+  "invalidFilePassword": {
+    "message": "Invalid file password, please use the password you entered when you created the export file."
+  },
   "importDestination": {
     "message": "Import destination"
   },