Align helmdiff_check behavior with the deploy function (#670) (#690)

Align `helmdiff_check` behavior with the `deploy` function

SUMMARY
Align helmdiff_check behavior with the deploy function

Fixes #638
helmdiff_check respects set_values parameter
Fixes #669
helmdiff_check command line parameters sequence aligned to the deploy function

ISSUE TYPE

Bugfix Pull Request

COMPONENT NAME
kubernetes.core.helm

Reviewed-by: Mike Graves <mgraves@redhat.com>
(cherry picked from commit 7c4ec3b982)

Co-authored-by: psmolkin <pavel.smolkin@gmail.com>

tests/integration/targets/helm_diff/tasks/main.yml

@@ -143,6 +143,8 @@
         chart_ref: "{{ test_chart_ref }}"
         values:
           foo: gaz
+        values_files:
+          - "{{ test_chart_ref }}/values.yml"
       register: install
 
     - assert:
@@ -157,6 +159,46 @@
         chart_ref: "{{ test_chart_ref }}"
         values:
           foo: gaz
+        values_files:
+          - "{{ test_chart_ref }}/values.yml"
+      register: install
+
+    - assert:
+        that:
+          - install is not changed
+
+    - name: Upgrade with set_values
+      helm:
+        binary_path: "{{ helm_binary }}"
+        name: test-chart
+        namespace: "{{ helm_namespace }}"
+        chart_ref: "{{ test_chart_ref }}"
+        values:
+          foo: gaz
+        values_files:
+          - "{{ test_chart_ref }}/values.yml"
+        set_values:
+          - value: foo=qux
+            value_type: string
+      register: install
+
+    - assert:
+        that:
+          - install is changed
+
+    - name: Upgrade with set_values idempotency check
+      helm:
+        binary_path: "{{ helm_binary }}"
+        name: test-chart
+        namespace: "{{ helm_namespace }}"
+        chart_ref: "{{ test_chart_ref }}"
+        values:
+          foo: gaz
+        values_files:
+          - "{{ test_chart_ref }}/values.yml"
+        set_values:
+          - value: foo=qux
+            value_type: string
       register: install
 
     - assert: