DDLS-373: Amend breadcrumbs for multi-client users

[MiaGordon91]

Purpose

Amend the breadcrumbs for multi-client deputy users in order to provide clearer user pathways when navigating the app.

Fixes DDLS-373

Approach

• Correct breadcrumbs on the deputyship details, password and edit client page so that it renders the option to navigate back to choose a client page.
• Correct list of breadcrumbs on the start and summary page of each report section to improve navigation from current page right through to the choose a client page
• Apply the same solution to the summary pages of each report section
• Update breadcrumbs on the review and declaration pages to improve navigation from current pages right through to the choose a client page
• Update existing integration test to test against updated logic in macro

Learning

Any tips and tricks, blog posts or tools which helped you. Plus anything notable you've discovered about DigiDeps

Checklist

• I have performed a self-review of my own code
• I have updated documentation (Confluence/ADR/tech debt doc) where relevant
• I have added tests to prove my work
• The product team have approved these changes
• I have checked my work for potential security issues and refered to the OWASP top 10

Frontend

• I have run an in-browser accessibility test (e.g. WAVE, Lighthouse)
• There are no deprecated CSS classes noted in the profiler
• Translations are used and the profiler doesn't identify any missing
• Any links or buttons added are screen reader friendly and contextually complete
• If adding GA events, I have updated or checked the existing category or label values