Merge pull request #3542 from pacevedom/OCPBUGS-35468

OCPBUGS-35468: Filter out empty entries in router listenAddress

Author: openshift-merge-bot[bot]

etcd/vendor/github.com/openshift/microshift/pkg/config/config.go

@@ -246,7 +246,9 @@ func (c *Config) incorporateUserSettings(u *Config) {
 	}
 
 	if len(u.Ingress.ListenAddress) != 0 {
-		c.Ingress.ListenAddress = u.Ingress.ListenAddress
+		c.Ingress.ListenAddress = slices.DeleteFunc(u.Ingress.ListenAddress, func(s string) bool {
+			return len(s) == 0
+		})
 	}
 
 	if len(u.ApiServer.NamedCertificates) != 0 {