Mutations popup

[benjeffery]

Puts the mutation information in a pop-up. Also makes mutation points visible with a hack - root cause is zero inheritors.

https://github.com/user-attachments/assets/b254d18a-bc9f-4995-a822-5f6763a4d4de

[github-actions[bot]]

Automated Screenshots

These screenshots are automatically updated as the PR changes.

Click to view screenshots

### out_edges.png  ### out_mutations.png  ### out_nodes.png 

[coveralls]

Pull Request Test Coverage Report for Build 11293839171

Details

• 10 of 12 (83.33%) changed or added relevant lines in 3 files are covered.
• 2 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.4%) to 82.303%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
tsbrowse/pages/mutations.py	8	10	80.0%
<!--	Total:	10	12	83.33%	-->

Files with Coverage Reduction	New Missed Lines	%
tsbrowse/plot_helpers.py	2	53.49%
<!--	Total:	2		-->

Totals
Change from base Build 11233768292:	-0.4%
Covered Lines:	679
Relevant Lines:	825

---

💛 - Coveralls

[jeromekelleher]

Super! That looks like it works a lot better than second panel?

[savitakartik]

Wow, this is so neat! 😍

[benjeffery]

The colour scheme for mutations was white for mutations with low numbers of inheritors - I've change it to one that goes green to blue.