[Kubernetes] Set Host(`{ENV_DEFINED}`) when creating IngressRoute

[xqe2011]

In some clusters, Traefik is already installed globally, which is why we don’t use the packaged Traefik in Helm. When using external Traefik, setting Host() is necessary when creating Traefik resources, such as IngressRoute.

Expect: Create new configurations GATEWAY_HOST and GATEWAY_HOST_HTTPS, when GATEWAY_HOST will be added to IngressRoute automatically, and GATEWAY_HOST_HTTPS will impact the api-url when gateway components connect to Traefik.