Austenem/CAT-790 Remove last modified sections

[austenem]

Summary

Switch to showing Creation Date for samples/donors (previously Last Modified) and switch to showing Publication Date → Last Modified for datasets (previously Publication Date → Creation Date).

This update affects detail pages and the home page but no search pages.

Design Documentation/Original Tickets

CAT-790 Jira ticket

Testing

Checked examples of the affected pages - see screenshots below. Also checked Workspaces pages, which are the only remaining pages with tables that have a Last Modified column.

Screenshots/Video

Processed Dataset Summary

(a ticket has been made for the entity header styling issue)

Sample Detail Page

Donor Detail Page

Dataset Provenance

Home Page 'Recent Datasets'

Now showing most recently published datasets rather than most recently modified.

Checklist

• Code follows the project's coding standards
  • Lint checks pass locally
  • New CHANGELOG-your-feature-name-here.md is present in the root directory, describing the change(s) in full sentences.
• Unit tests covering the new feature have been added
• All existing tests pass
• Any relevant documentation in JIRA/Confluence has been updated to reflect the new feature
• Any new functionalities have appropriate analytics functionalities added

Other Notes

The getEntityCreationInfo function is now being used as the single source of truth for showing creation data in order to facilitate changes to this logic later on.

Many areas not listed in the screenshots have been updated to use this function, but their actual logic has not changed.