fix: fix select static router

Fix select static router in the static routers tab in the router detail page, add a mock id.

Closes-Bug: #1991086
Change-Id: I2598091580d67afb3bc16f6fd726ab1325025114
(cherry picked from commit a6a730f7e5)

src/stores/neutron/static-route.js

@@ -38,6 +38,7 @@ export class StaticRouteStore extends Base {
     const { routes = [] } = data;
     routes.forEach((it) => {
       it.router_id = id;
+      it.id = `${it.destination} - ${it.nexthop}`;
     });
     this.list.update({
       data: routes,