Move app pair back when it's clicked on default display

Bug fix for non default display CUJ where app pair is clicked on default
display when it's launched on external display. The app pair should be
moved back to default display on the click.

Bug: 399674814
Test: manual
Flag: com.android.window.flags.enable_non_default_display_split
Change-Id: I8f665ed36ba67f0c46464f4c96e7f0490ea2819b