feat(DTFS2-7454): redirect from cancellation pages if no cancellation in draft

[MarRobSoftwire]

Introduction :pencil2:

When a user visits certain cancellation pages, if they dont have a draft cancellation already they should be redirected to the deal cancellation page. This should only happen if they use URL navigation, or browser history, rather than clicking buttons available on screen.

Resolution :heavy_check_mark:

• Check the deal cancellation exists when visiting:
  • bank request date
  • effective from date page
  • cancel cancellation page
  • check details page
• The reason for cancelling page is the start of the journey so does not need a draft cancellation to exist
• Update unit tests

Misc ➕

• Use toEqual not toBe in cancellation unit tests
• Create new aRequestSession mock data helper and use in cancellation unit tests

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
5.0% Duplication on New Code

See analysis details on SonarCloud