Fix MusicStore.Spa/Models/MusicStoreContext.cs for EF changes
Fix MusicStore.Spa/Models/MusicStoreContext.cs for EF changes

aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore