fix(mvb_tools/demux): remove ambiguous behaviour

This behaviour was fixed by using "logic" verison of fork instead
of "register" version

Author: xtrollyj00

comp/mvb_tools/flow/operation/mvb_operation.vhd

@@ -172,7 +172,7 @@ begin
         OUTPUT_PORTS    => 2,
         ITEMS           => MVB_ITEMS,
         ITEM_WIDTH      => ITEM_WIDTH + 1 + CONSUME_ITEM_WIDTH,
-        VERSION         => "register",
+        VERSION         => "logic",
         USE_DST_RDY     => true
     ) port map (
         CLK             => CLK,