don't give a parent a color of the children have different colors

[meganrm]

Time Estimate or Size

xsmall

Problem

closes https://github.com/simularium/simularium-website/issues/505

Solution

The parent was getting assigned a color of its first child, so the UIData sent to the website gave the parent a color, even though it wasn't displayed it was keeping the children from being open

Type of change

Please delete options that are not relevant.

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

Steps to Verify:

1. go to https://staging.simularium.allencell.org/viewer?trajUrl=https://aics-simularium-data.s3.us-east-2.amazonaws.com/trajectory/binding-affinity_antibodies.simularium
2. The Antibody parent is closed
3. install this version of the viewer in the simularium-website locally
4. go to http://localhost:9001/viewer?trajUrl=https://aics-simularium-data.s3.us-east-2.amazonaws.com/trajectory/binding-affinity_antibodies.simularium
5. it's fixed

Screenshots (optional):

without this change, Antibody parent has been assigned the color of it's first child

with these changes: parent doesn't have a color

[github-actions[bot]]

jest coverage report 🧪

Total coverage

Status	Category	Percentage	Covered / Total
🔴	Statements	40.4%	2048/5069
🔴	Branches	43.22%	845/1955
🔴	Functions	36.79%	418/1136
🔴	Lines	40.62%	1961/4827

Status of coverage: 🟢 - ok, 🟡 - slightly more than threshold, 🔴 - under the threshold