Replace connect with useSelector() and useDispatch() 13/23

[diana-villalvazo-wgu]

Replace all usage of connect with useSelector() and useDispatch()

Files to refactor:

• src/components/PeopleManagement/OrgMemberCard.jsx
• src/components/PeopleManagement/PeopleManagementTable.jsx
• src/components/PeopleManagement/AddMembersModal/AddMembersModal.tsx
• src/components/PeopleManagement/GroupDetailPage/DownloadCsvIconButton.jsx
• src/components/PeopleManagement/GroupDetailPage/GroupDetailPage.jsx
• src/components/PeopleManagement/LearnerDetailPage/EnrollmentCard.jsx