[QS] Move date view to QS panel

The date view is currently in the quick status bar - we are moving it
into the QSPanel on the left of the icons.

So that it works with dark wallpapers, changed text color to
colorPrimary attribute.

Bug: 74394377
Test: visually verified
Change-Id: I8aec54b600a85442d61696ee2375cbfe8362943c