fixed toggling of unsupported content
fixed toggling of unsupported content

All items were clickable when selecting “Update web map service URLs”
due to improper class assignments.

Esri/ago-assistant,nheminger/ago-assistant,dmartine/ago-assistant,dmartine/ago-assistant,Esri/ago-assistant,nheminger/ago-assistant,ecaldwell/ago-assistant,ecaldwell/ago-assistant