Draft: Fix/navigation map

[adamdavies1]

Description

Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context. List any dependencies that are required for this change. Please also include any acceptance criteria if you have any.

• Clicking the minimap node will now navigate to the appropiate page and also highlight the selected page
• Link to issue

Type of change

Please delete options that are not relevant.

• [x] Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce the testing if necessary.

Before PR's can be merged they will need to be tested by QA and approved where applicable. To flag the change to QA assign @XGovFormBuilder/qa as one of the reviewers.

• [ ] Open a form and use the mini map in the bottom right hand corner to navigate to their appropriate pages

Checklist:

• [x] My changes do not introduce any new linting errors
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] My changes generate no new warnings
• [x] I have added tests that prove my fix is effective or that my feature works
• [x] New and existing unit tests pass locally with my changes
• [x] I have rebased onto main and there are no code conflicts
• [x] I have checked deployments are working in all environments