Fix error handling during fast sync (#2991)
Fix error handling during fast sync (#2991)

During fast sync we shouldn't clear all listeners handling `error` event. If we do then any error raised is treated as unhandled and leads to a crash.
NativeScript/nativescript-cli,NathanaelA/nativescript-cli,NathanaelA/nativescript-cli,NathanaelA/nativescript-cli,NativeScript/nativescript-cli,NathanaelA/nativescript-cli,NativeScript/nativescript-cli,NativeScript/nativescript-cli