comparor ->comparer (#4459)
comparor ->comparer (#4459)

* comparor ->comparer

replace comparor with comparer

* rename to comparator from compararor

rename compararor to comparaer to comparator

Brocco/RxJS,kwonoj/RxJS,ReactiveX/RxJS,ReactiveX/rxjs,martinsik/rxjs,Brocco/RxJS,kwonoj/RxJS,trxcllnt/RxJS,ReactiveX/RxJS,trxcllnt/RxJS,benlesh/RxJS,benlesh/RxJS,ReactiveX/RxJS,benlesh/RxJS,martinsik/rxjs,Brocco/RxJS,trxcllnt/RxJS,benlesh/RxJS,trxcllnt/RxJS,Brocco/RxJS,ReactiveX/rxjs,kwonoj/RxJS,ReactiveX/rxjs,ReactiveX/RxJS,kwonoj/RxJS,martinsik/rxjs,ReactiveX/rxjs,martinsik/rxjs