fix UI's proxy websocket support in prod (#5709)

Signed-off-by: Francesco Ilario <[email protected]>

Author: filariow

components/konflux-ui/production/base/proxy/nginx.conf

@@ -130,6 +130,8 @@ http {
         location /wss/k8s/ {
             auth_request /oauth2/auth;
 
+            rewrite /wss/k8s/(.+) /$1 break;
+            proxy_pass https://kubernetes.default.svc/;
             proxy_http_version 1.1;
             proxy_set_header Upgrade $http_upgrade;
             proxy_set_header Connection $connection_upgrade;