turnip: do not emit draw states in draw_cs outside of renderpass

turnip: do not emit draw states in draw_cs outside of renderpass

This avoids a possible issue with MSAA sysmem clears, which use a 3D clear
path which assumes draw states are disabled, and are emitted in draw_cs in
BeginRenderPass.

(checking for TU_CMD_DIRTY_DRAW_STATE also allows not emitting the draw
states if they will be re-emitted on the next draw anyway. the previous
patch makes it so TU_CMD_DIRTY_DRAW_STATE is always set outside of
renderpasses)

Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7899>