Corrects order of shouldTriggerEvents() parameters
Corrects order of shouldTriggerEvents() parameters

See https://github.com/orizens/ngx-infinite-scroll/blob/master/src/services/event-trigger.ts#L28 for the correct order.

The wrong order didn't have any impact yet, as both booleans are used symmetrically in shouldTriggerEvents().
orizens/ngx-infinite-scroll,orizens/ngx-infinite-scroll,orizens/ngx-infinite-scroll