Aggregation: Fix sidebar aggregation label rotation

Created by: vovakulikov

Fixes https://github.com/sourcegraph/sourcegraph/issues/41191

Background

This PR simply adds min X label rotation angle for the sidebar aggregation chart. This solution may not cover all possible cases but this should cover most of them. This problem with labels rotation will be fully addressed in a follow up issue here https://github.com/sourcegraph/sourcegraph/issues/41310

Before	After

Test plan

• Serve sg locally
• Check TODO[(](\w+)[)] count:all query
• Make sure that label rotation works correctly with different aggregation datasets

App preview:

• Web
• Storybook

Check out the client app preview documentation to learn more.