Fix apply patching results in check mode

apply_object returns only the patch - we need to actually
apply the patch to the existing object.

Fixes ansible/ansible#66780

molecule/default/molecule.yml

@@ -21,6 +21,8 @@ provisioner:
         ansible_python_interpreter: '{{ ansible_playbook_python }}'
   env:
     ANSIBLE_FORCE_COLOR: 'true'
+  options:
+    vvv: True
 scenario:
   name: default
   test_sequence:

plugins/module_utils/raw.py

@@ -299,7 +299,11 @@ class KubernetesRawModule(KubernetesAnsibleModule):
         else:
             if self.apply:
                 if self.check_mode:
-                    ignored, k8s_obj = apply_object(resource, definition)
+                    ignored, patch = apply_object(resource, definition)
+                    if existing:
+                        k8s_obj = dict_merge(existing.to_dict(), patch)
+                    else:
+                        k8s_obj = patch
                 else:
                     try:
                         k8s_obj = resource.apply(definition, namespace=namespace).to_dict()