Add support of container specific logs for logs view

After Implement Logs view for k8s dashboard (#461014 - closed) is implemented, we have a general pod logs available for the logs view.

However the k8s api also supports container specific logs, if a pod have multiple containers.

We should update /environments/graphql/resolvers/kubernetes/k8s_logs.js k8s logs resolver to support a container parameter, and update the routing for the logs page to be able to process the container query parameter.