[86by8d89p][breadcrumbs] some a11y improvements

[ilyabrower]

Motivation and Context

Improve a11y for breadcrumbs

How has this been tested?

Manually

Screenshots (if appropriate):

Types of changes

• [X] Bug fix (non-breaking change which fixes an issue).
• [ ] New feature (non-breaking change which adds functionality).
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected).
• [X] Nice improve.

Checklist:

• [X] My code follows the code style of this project.
• [X] I have updated the documentation accordingly or it's not required.
• [X] Unit tests are not broken.
• [X] I have added changelog note to corresponding CHANGELOG.md file with planned publish date.
• [ ] I have added new unit tests on added of fixed functionality.