Add birthday card and confirm session card overlaps

[yume-chan]

Because they are in the same Grid

Unigram/Telegram/Views/MainPage.xaml

Lines 794 to 806 in 7e7759a

	<Grid Visibility="{x:Bind UpdateScrollingHostHeaderVisibility(MasterDetail.CurrentState, ViewModel.IsPrimaryFolderSelected), Mode=OneWay}">
	<controls:SuggestedActionSetBirthdateCard x:Name="SetBirthdateCard"
	x:Load="False"
	Click="{x:Bind ViewModel.SetBirthdate}"
	HideClick="{x:Bind ViewModel.HideBirthdate}" />
	<controls:UnconfirmedSessionCard x:Name="UnconfirmedCard"
	x:Load="False"
	ConfirmClick="{x:Bind ViewModel.ConfirmSession}"
	DenyClick="{x:Bind ViewModel.DenySession}" />
	<controls:FrozenAccountCard x:Name="FrozenCard"
	x:Load="False"
	Click="{x:Bind ViewModel.UnfreezeAccount}" />
	</Grid>