Allow QS to be any height.

Do not restrict the height of QS so that the security footer can be
fully displayed. Previously with scrolling support, it was necessary to
restrict the height of the QS panel so that it did not run off screen.

Bug: 73055149
Bug: 73349811
Test: visual
Change-Id: I341930ad4816391923d50b34b5e598d04fc5281a