Replace connect with useSelector() and useDispatch() 17/23

[diana-villalvazo-wgu]

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

Files to refactor:

• src/components/subscriptions/MultipleSubscriptionsPage.jsx
• src/components/subscriptions/SubscriptionDetailPage.jsx
• src/components/subscriptions/SubscriptionDetails.jsx
• src/components/subscriptions/SubscriptionManagementPage.jsx
• src/components/subscriptions/SubscriptionPlanRoutes.jsx
• src/components/subscriptions/SubscriptionRoutes.jsx