Update dialogs page in gallery-app.
Update dialogs page in gallery-app.

https://github.com/NativeScript/NativeScript/issues/857

hdeshev/NativeScript,hdeshev/NativeScript,NativeScript/NativeScript,hdeshev/NativeScript,NativeScript/NativeScript,NativeScript/NativeScript,NativeScript/NativeScript,NativeScript/NativeScript