anv: refresh cached current batch bo after emitting some commands

anv: refresh cached current batch bo after emitting some commands

Fixes crashes in:
- Rise of the Tomb Rider (on benchmark start)
- Total War: Three Kingdoms (on game start)
- Total War: Warhammer II (on game start)

Fixes: 34a0ce58c7f ("anv: add a new execution mode for secondary command buffers")

Signed-off-by: Marcin Ślusarz <marcin.slusarz@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6546>