CreateImageWizard: custom buttons for each step

This adds custom buttons for each step, where each button has an id
taking the format `$step-(next|previous|cancel)-button`.

src/Components/CreateImageWizard/formComponents/CustomSubmitButtons.js

@@ -1,65 +0,0 @@
-import React, { useContext, useState } from 'react';
-import { Button } from '@patternfly/react-core';
-import { FormSpy } from '@data-driven-forms/react-form-renderer';
-import WizardContext from '@data-driven-forms/react-form-renderer/wizard-context';
-import PropTypes from 'prop-types';
-
-const CustomButtons = ({ buttonLabels: { cancel, submit, back } }) => {
-  const [isSaving, setIsSaving] = useState(false);
-  const { handlePrev, formOptions } = useContext(WizardContext);
-  return (
-    <FormSpy>
-      {() => (
-        <React.Fragment>
-          <Button
-            variant="primary"
-            type="button"
-            isDisabled={
-              !formOptions.valid ||
-              formOptions.getState().validating ||
-              isSaving
-            }
-            isLoading={isSaving}
-            onClick={() => {
-              formOptions.onSubmit({
-                values: formOptions.getState().values,
-                setIsSaving,
-              });
-            }}
-          >
-            {isSaving ? 'Creating image' : submit}
-          </Button>
-          <Button
-            type="button"
-            variant="secondary"
-            onClick={handlePrev}
-            isDisabled={isSaving}
-          >
-            {back}
-          </Button>
-          <div className="pf-c-wizard__footer-cancel">
-            <Button
-              type="button"
-              variant="link"
-              onClick={formOptions.onCancel}
-              isDisabled={isSaving}
-            >
-              {cancel}
-            </Button>
-          </div>
-        </React.Fragment>
-      )}
-    </FormSpy>
-  );
-};
-
-CustomButtons.propTypes = {
-  buttonLabels: PropTypes.shape({
-    cancel: PropTypes.node,
-    submit: PropTypes.node,
-    back: PropTypes.node,
-  }),
-  isSaving: PropTypes.bool,
-};
-
-export default CustomButtons;