Fix async completion input update bugginess.
Fix async completion input update bugginess.

5digits/dactyl,madand/pentadactyl-pm,5digits/dactyl,nathyong/dactyl,invl/dactyl,invl/dactyl,madand/pentadactyl-pm,madand/pentadactyl-pm,madand/pentadactyl-pm,moonshadow/dactyl,nathyong/dactyl,moonshadow/dactyl,airodactyl/dactyl,airodactyl/dactyl,nathyong/dactyl,Kjwon15/dactyl,moonshadow/dactyl,moonshadow/dactyl,Kjwon15/dactyl,5digits/dactyl,invl/dactyl,invl/dactyl,5digits/dactyl,Kjwon15/dactyl,Kjwon15/dactyl,5digits/dactyl,Kjwon15/dactyl,nathyong/dactyl,airodactyl/dactyl,5digits/dactyl,Kjwon15/dactyl,airodactyl/dactyl,moonshadow/dactyl,airodactyl/dactyl,invl/dactyl,nathyong/dactyl,airodactyl/dactyl,invl/dactyl,nathyong/dactyl,madand/pentadactyl-pm,madand/pentadactyl-pm,moonshadow/dactyl