Add "Order by scrap value" inventory filter

[crimson jetty]

Going through storage looking for valuable scrap can be really tedious.. it would be nice if we had a way to sort it by item scrap value in descending order

[real parrot]

While that would be nice, for the time being yuugh has made this handy tool:
https://sonatabrain.com/scrap_calculator

[minor hollow]

Yuugh, not 13