Make state exists universal in collection (#13890)

Make state: exists available for all API modules

Make state:exists return the ID just like it would if it created the resource

awx_collection/tests/integration/targets/execution_environment/tasks/main.yml

@@ -22,6 +22,48 @@
         that:
           - "result is changed"
 
+    - name: Add an EE with exists
+      execution_environment:
+        name: "{{ ee_name }}"
+        description: "EE for Testing"
+        image: quay.io/ansible/awx-ee
+        pull: always
+        organization: Default
+        state: exists
+      register: result
+
+    - assert:
+        that:
+          - "result is not changed"
+
+    - name: Delete an EE
+      execution_environment:
+        name: "{{ ee_name }}"
+        description: "EE for Testing"
+        image: quay.io/ansible/awx-ee
+        pull: always
+        organization: Default
+        state: absent
+      register: result
+
+    - assert:
+        that:
+          - "result is changed"
+
+    - name: Add an EE with exists
+      execution_environment:
+        name: "{{ ee_name }}"
+        description: "EE for Testing"
+        image: quay.io/ansible/awx-ee
+        pull: always
+        organization: Default
+        state: exists
+      register: result
+
+    - assert:
+        that:
+          - "result is changed"
+
     - name: Associate the Test EE with Default Org (this should fail)
       execution_environment:
         name: "{{ ee_name }}"