v0.319.0: the export panel says „Exportálás" and its inputs use the dashboard's style

Seen in the browser check on demo-hp (rc.1): a page-style title with the app name inside a data section,
and a white select + password box. Two parity fixtures re-captured (app_data_deployed, app_data_export).

Claude-Session: https://claude.ai/code/session_012qRErfCoiTkvDK9N5XHbzb

controller/internal/i18n/locales/en.json

@@ -54,7 +54,7 @@
   "app_export.alkalmazasok": "← Apps",
   "app_export.az_adatok_konzisztenciaja_erdekeben_java": "To keep the data consistent, stop the app during the export.",
   "app_export.becsult_ido": "Estimated time:",
-  "app_export.exportalas": "{{.Stack.Meta.DisplayName}} — Export",
+  "app_export.exportalas": "Export",
   "app_export.exportalas_inditasa": "Start export",
   "app_export.felhasznaloi_adatok": "Your data:",
   "app_export.folyamat": "Progress",