The Microsoft Dynamics GP web client is not just for road warriors and hosted environments; nor does it require a switchover from using the desktop client
I say why not? but what do I know.
Why Set Up the Web Client and Desktop Client to Work Side-by-Side in Microsoft Dynamics GP – MSDynamicsWorld.com
Archived post from 2015. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.