INTERNALS: Deregister the "oneShotCallback" before
INTERNALS: Deregister the "oneShotCallback" before

… not after the event handling.
Avoids double-firing.
jesg/ghostdriver,Lochlan/ghostdriver,yuanzhen/ghostdriver,testingbot/ghostdriver,detro/ghostdriver,treejames/ghostdriver,HelioGuilherme66/ghostdriver,treejames/ghostdriver,asolntsev/ghostdriver,51ttw/ghostdriver,jesg/ghostdriver,yuanzhen/ghostdriver,Lochlan/ghostdriver,acarpe/ghostdriver,amikey/ghostdriver,xsyntrex/ghostdriver,51ttw/ghostdriver,asolntsev/ghostdriver,jesg/ghostdriver,acarpe/ghostdriver,jesg/ghostdriver,HelioGuilherme66/ghostdriver,stevenliuit/ghostdriver,testingbot/ghostdriver,detro/ghostdriver,Vitallium/ghostdriver,HelioGuilherme66/ghostdriver,antoinereyt/ghostdriver,stevenliuit/ghostdriver,amikey/ghostdriver,Vitallium/ghostdriver,detro/ghostdriver,testingbot/ghostdriver,kuahyeow/ghostdriver,testingbot/ghostdriver,kuahyeow/ghostdriver,xsyntrex/ghostdriver,antoinereyt/ghostdriver