[DO NOT MERGE] Introduce KDS breadcrumbs fixes

[MisRob]

Summary

Pins KDS to learningequality/kolibri-design-system#292.

Do not merge. The temporary commit will be replaced by the new KDS release tag as soon as the first reviews are completed.

References

Resolves #6918

Reviewer guidance

See testing instructions in learningequality/kolibri-design-system#292.

There's no need to use yarn link locally to test KDS updates in Kolibri since this PR contains a commit that temporarily pins the corresponding KDS commit for testing. You only need to run yarn install to update dependencies after checking out this PR's branch.

Testing checklist

• Contributor has fully tested the PR manually
• If there are any front-end changes, before/after screenshots are included

PR process

• PR has the correct target branch and milestone
• PR has 'needs review' or 'work-in-progress' label
• If PR is ready for review, a reviewer has been added. (Don't use 'Assignees')

Reviewer checklist

• Automated test coverage is satisfactory
• PR is fully functional
• PR has been tested for accessibility regressions
• External dependency files were updated if necessary (yarn and pip)
• Documentation is updated
• Contributor is in AUTHORS.md

[MisRob]

This needs to be retargeted to release-0.15.x. Will do soon. Done

[MisRob]

I force-pushed the last commit with no updates to trigger staling checks.

[MisRob]

Closing as this was only for testing