fix(gre): сохранять удалённый внутренний IP туннеля

app/(main)/gre/page.tsx

@@ -322,7 +322,7 @@ function GrePageContent({ selectedServerId, selectedTunnelId, allTunnelsHref, on
       localAddress: form.localAddress.trim() || undefined,
       remoteAddress: form.remoteAddress.trim(),
       localInnerIp: form.localInnerIp.trim() || undefined,
-      remoteInnerIp: form.remoteInnerIp.trim() || undefined,
+      remoteInnerIp: form.remoteInnerIp.trim(),
       comment: form.comment || undefined,
       enabled: form.enabled,
       mtu: form.mtu,