convert RID_SVXFLOAT_3D docking window to .ui

This is an epic dialog with lots of moving parts

Change-Id: I4e53580ac5b01f4a717d2fe594a18c8e83b45a6f
DockingWindow will need a timer after all

to update layout after initial show when
contents change

Change-Id: I8edbe84fa366cdb04dbfe5e479dc01cbf04dbf4c