[DDW-360] Fixes flow error for return type of api.ada.nextUpdate
[DDW-360] Fixes flow error for return type of api.ada.nextUpdate

input-output-hk/daedalus,input-output-hk/daedalus,input-output-hk/daedalus,input-output-hk/daedalus,input-output-hk/daedalus,input-output-hk/daedalus