Improve pathway layout

[maxkfranz]

Description of new feature

Improve the parameters for CoSE, or use a different layout. The Elk layout might work well here.

Motivation for new feature

For large pathways, the layout isn't very good.

[jvwong]

Noticed some odd initial layouts for Biofactoid-derived pathways (beta.pathwaycommons.org instance):

[maxkfranz]

Have we tried upgrading to the latest COSE or FCOSE?

[jvwong]

This is on the radar of AL's group - see PC meeting notes for June 20, 2024.