fix: translate leftover hardcoded ui text

plugins/host-metrics/locales/en.json

@@ -177,7 +177,8 @@
       "wgAllowedIPs": "Allowed IPs",
       "wgLastHandshake": "Last handshake",
       "wgHandshakeNever": "Never",
-      "wgTransfer": "Transfer"
+      "wgTransfer": "Transfer",
+      "wgNoPeers": "No peers"
     }
   },
   "metricsHistory": {

plugins/host-metrics/src/frontend/cards/managers/WireGuardManagerCard.tsx

@@ -162,7 +162,7 @@ export function WireGuardManagerCard({ hostId }: { hostId: number | null }) {
               <div className="mb-1 ml-5 flex flex-col border-l border-border/50">
                 {iface.peers.length === 0 ? (
                   <span className="px-3 py-1 text-[10px] text-muted-foreground/50">
-                    No peers
+                    {t("hostMetrics.managers.wgNoPeers")}
                   </span>
                 ) : (
                   iface.peers.map((peer) => (