freedreno: Early-out from the resource write path when we're the writer.

freedreno: Early-out from the resource write path when we're the writer.

No need to do the other checks in this case, because then we know that
we've done the UBWC clears and recursed on stencil and added deps on read
batches.

Done as a separate patch to reduce behavior changes in my upcoming move of
the batch cache to the context.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8729>