improve: do not close infra client if same as client (operator-framework#3187)

---------

Signed-off-by: Attila Mészáros <a_meszaros@apple.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: csviri

operator-framework-junit/src/main/java/io/javaoperatorsdk/operator/junit/LocallyRunOperatorExtension.java

@@ -365,7 +365,11 @@ protected void after(ExtensionContext context) {
       iterator.remove();
     }
 
-    kubernetesClient.close();
+    // if the client is used for infra client, we should not close it
+    // either test or operator should close this client
+    if (getKubernetesClient() != getInfrastructureKubernetesClient()) {
+      kubernetesClient.close();
+    }
 
     try {
       this.operator.stop();