Trigger collection update in _onChange()

[guilhermeteodoro]

Hi guys,

I found a bug on Backbone.VirtualCollection during a migration from Marionette 2 to Marionette 3.

I discovered a case where the collection update event should be triggered after a model change event if it doesn't pass through filter (this.accepts()) and already_here is true.

This is a partial fix, just for the 'remove case', but I think that maybe something similar should be done pass through filter (this.accepts()) too.

[p3drosola]

Hi @guilhermeteodoro sorry for the delay.

Do you think you can make an attempt at handling the other cases?