Wizard: Update package step

This:
- adds a placeholder to the package search
- adds a required label

as per revamp SPUR.

Author: regexowl

src/Components/CreateImageWizard/steps/Packages/components/PackageSearch.tsx

@@ -1005,6 +1005,7 @@ const PackageSearch = ({
           icon={<SearchIcon />}
           aria-label={`Search ${packageTypeLabel}`}
           data-testid='packages-search-input'
+          placeholder='Add packages'
         />
         <TextInputGroupUtilities>
           <Button

src/Components/CreateImageWizard/steps/Packages/components/PackagesTable.tsx

@@ -1,6 +1,6 @@
 import React, { ReactElement, useMemo, useState } from 'react';
 
-import { Content } from '@patternfly/react-core';
+import { Content, Label } from '@patternfly/react-core';
 import {
   ExpandableRowContent,
   Table,
@@ -239,7 +239,9 @@ const PackagesTable = ({
               data-testid={isRequired ? 'required-package-row' : 'package-row'}
             >
               <Td>&nbsp;</Td>
-              <Td>{pkg.name}</Td>
+              <Td>
+                {pkg.name} {isRequired && <Label isCompact>Required</Label>}
+              </Td>
               <Td>{pkg.stream ? pkg.stream : '--'}</Td>
               <Td>
                 <RetirementDate date={pkg.end_date} />