ListView calls refresh twice when its bound items are changed

[madakk]

Once by the property's valueChanged handler as the property gets applied:

https://github.com/NativeScript/NativeScript/blob/172152a897ef7a9b5985bb3e1ef83c9e3ac010ae/tns-core-modules/ui/list-view/list-view-common.ts#L154

And once more by the component's ngDoCheck handler:

nativescript-angular/nativescript-angular/directives/list-view-comp.ts

Line 213 in f0ed7f6

this.listView.refresh();

[NickIliev]

Currently the second refresh is happening here