check if children have different colors and expand by default if so

[interim17]

Time estimate or Size

x-small

Problem

Closes #505

Solution

Check if agent children have different colors and pass value to existing expandByDefault prop.

• Bug fix (non-breaking change which fixes an issue)

Steps to Verify:

1. Open this trajectory with this branch and see if second agent is expanded and first is not.

Screenshots (optional):

[github-actions[bot]]

Coverage report

St.:grey_question:	Category	Percentage	Covered / Total
🟡	Statements	68.58%	657/958
🟡	Branches	65.22%	90/138
🔴	Functions	36.21%	84/232
🟡	Lines	67.16%	589/877

Test suite run success

104 tests passing in 7 suites.

Report generated by 🧪jest coverage report action from 2a861cdabbd1243ca70e987c48dade7796259fe1