fix(notifications): the English log formats its numbers in English; the ui/ contract sees msg() keys

A formatted value took the reader's language even when the notice was said in English for the
log. The platform-namespace contract matched only t("…"), so a domain key passed through msg()
in components/ui/ went unseen. Three comments pointed at localizeDetail's old home.

backend/app/routes/files.py

@@ -139,7 +139,7 @@ def own_job_for_update(db: Session, user: User, job_id: int) -> "DownloadJob":
 
 def quota_detail(e: quota.QuotaExceeded) -> dict:
     """Structured error the trilingual client localizes (reason key + numbers), instead of a
-    pre-baked English string with a dot-decimal GB value. See lib/api.ts localizeDetail()."""
+    pre-baked English string with a dot-decimal GB value. See lib/api/refusalText.ts localizeDetail()."""
     return {"code": "quota", "reason": e.reason, "limit": e.limit, "current": e.current}