Fix async error handling in DispatchIncidentButton: await newIncidentDispatchAction dispatch

[Copilot]

newIncidentDispatchAction is an async action that performs network calls. Without await, the success notification was shown immediately regardless of outcome, and async failures escaped the try/catch block, potentially surfacing as unhandled promise rejections.

Description

Added await before dispatching newIncidentDispatchAction so that:

• Success notification only fires after the action fully resolves
• Failures are caught by the existing try/catch and show the error notification

// Before
dispatch(newIncidentDispatchAction(savedContact));
Notifications.showNotificationSingle(dispatchSuccessNotification);

// After
await dispatch(newIncidentDispatchAction(savedContact));
Notifications.showNotificationSingle(dispatchSuccessNotification);

Checklist

• Corresponding issue has been opened
• New tests added
• Feature flags added
• Strings are localized
• Tested for chat contacts
• Tested for call contacts

Other Related Issues

None

Verification steps

1. Open a USCR contact with an associated case
2. Fill in required form fields and click Dispatch Incident
3. Confirm success notification only appears after the network call completes
4. Simulate a network failure and confirm the error notification appears instead of the success notification

AFTER YOU MERGE

1. Cut a release tag using the Github workflow. Wait for it to complete and notify in the #aselo-deploys Slack channel.
2. Comment on the ticket with the release tag version AND any additional instructions required to configure an environment to test the changes.
3. Only then move the ticket into the QA column in JIRA

You are responsible for ensuring the above steps are completed. If you move a ticket into QA without advising what version to test, the QA team will assume the latest tag has the changes. If it does not, the following confusion is on you! :-P

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[stephenhand]

Use asyncDispatch