The setscenetasks list needs to be available in the worker contexts
else the signature behaviour there mismatches what the server does.
Add the data to get/set_taskdata to ensure this happens.
(Bitbake rev: 632980ef90fe126b7ba3d138f4d574ae05914779)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>