Use chrome.i18n.getMessage within ErrorRenderer

src/_locales/en/messages.json

@@ -22,5 +22,8 @@
   },
   "no": {
     "message": "No"
+  },
+  "error": {
+    "message": "Error"
   }
 }

src/js/components/ErrorRenderer.tsx

@@ -1,9 +1,10 @@
 import React from "react";
 
 export function ErrorRenderer({ error }: {error: Error}) {
+  const t = chrome.i18n.getMessage;
   return (
     <div className="error">
-      <span>Error</span>:
+      <span>{t("error")}</span>:
       <span>&nbsp;{error.message}</span>
     </div>
   );