fix: worker: Download proofs if PRU2 is enabled

The lotus-worker does not check or download the params if Prove Replica Update tasks are enabled.

cmd/lotus-worker/main.go

@@ -289,7 +289,7 @@ var runCmd = &cli.Command{
 			return err
 		}
 
-		if cctx.Bool("commit") {
+		if cctx.Bool("commit") || cctx.Bool("prove-replica-update2") {
 			if err := paramfetch.GetParams(ctx, build.ParametersJSON(), build.SrsJSON(), uint64(ssize)); err != nil {
 				return xerrors.Errorf("get params: %w", err)
 			}