fix(pf): bug in wizard navbar

The wizard navigation should only contain one WizardNav component. Wrapping the WizardNavItems
in two WizardNav components is causing all steps to be treated as substeps and therefore don't
have step numbers. The fix is to remove one of the WizardNav wrappers.

packages/pf4-component-mapper/src/wizard/wizard-components/wizard-nav.js

@@ -1,6 +1,6 @@
-import React, { useState, useEffect } from 'react';
+import React, { Fragment, useState, useEffect } from 'react';
 
-import { WizardNavItem, WizardNav } from '@patternfly/react-core';
+import { WizardNavItem } from '@patternfly/react-core';
 
 import isEqual from 'lodash/isEqual';
 import get from 'lodash/get';
@@ -21,7 +21,7 @@ const memoValues = (initialValue) => {
 
 const WizardNavigationInternal = React.memo(
   ({ navSchema, activeStepIndex, maxStepIndex, jumpToStep, valid, validating }) => (
-    <WizardNav>
+    <Fragment>
       {navSchema
         .filter((field) => field.primary)
         .map((step) => {
@@ -63,7 +63,7 @@ const WizardNavigationInternal = React.memo(
             </WizardNavItem>
           );
         })}
-    </WizardNav>
+    </Fragment>
   ),
   isEqual
 );