Feature/check build

[meganrm]

Problem

my last merge failed to build because of a typing error and a change to the viewer

Solution

make sure PRs are built in addition to fixing the two bugs

Type of change

Please delete options that are not relevant.

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

[meganrm]

For referenced: these are the build errors I was fixing https://github.com/simularium/binding-sim-edu/actions/runs/10605213695/job/29393552633