[Sakhi] User is able to complete follow-up for AES JE patient

[utkarshavni]

• [x] Create a program encounter AES JE follow-up for Acute encaphalitis program.
• [x] Encounter will be unplanned.
• [x] Encounter should be not visible if AES JE status is Expired

Form requirements: https://docs.google.com/spreadsheets/d/1HMAVYsJzpr23R_fxFmMfoEBpruCHEa1J/edit#gid=396305017