resources: fix fireworks RGB script resizing
resources: fix fireworks RGB script resizing

This caused a test unit to fail with the QML engine
The issue was visible also with the dev tool

kripton/qlcplus,plugz/qlcplus,kripton/qlcplus,plugz/qlcplus,plugz/qlcplus,mcallegari/qlcplus,mcallegari/qlcplus,plugz/qlcplus,sbenejam/qlcplus,kripton/qlcplus,plugz/qlcplus,sbenejam/qlcplus,sbenejam/qlcplus,sbenejam/qlcplus,mcallegari/qlcplus,kripton/qlcplus,mcallegari/qlcplus,mcallegari/qlcplus,kripton/qlcplus,sbenejam/qlcplus,plugz/qlcplus,kripton/qlcplus,kripton/qlcplus,mcallegari/qlcplus,sbenejam/qlcplus,sbenejam/qlcplus,plugz/qlcplus,mcallegari/qlcplus