eur czk can be disabled from now on

src/controllers/admin_currencies.rs

@@ -82,6 +82,8 @@ async fn update(
     active.rate_e4 = Set(currency::parse_rate(&form.rate)?);
     active.enabled = Set(is_checked(&form.enabled));
     active.update(&ctx.db).await?;
+    // Keep the navbar/settings chrome snapshot in sync with the new rate/state.
+    currency::refresh_snapshot(&ctx.db).await?;
     format::redirect("/admin/currencies")
 }