fix: allow breadcrumbs to wrap on narrow screens

[remove334]

Summary

• allows breadcrumbs to wrap on narrow screens
• keeps the styling scoped to the breadcrumb layout

Closes #3599.

Test plan

• git diff --check
• npm run cs-check could not run because local dependencies are not installed.

[alexcottner]

Hello - Can you provide any before/after screenshots of what you're seeing it improve? Ex.

Current:

With this patch:

In my tests, it doesn't seem like it does much but remove some white space making it slightly more difficult to parse at times. But it's possible my test case isn't great.