Do not apply SMR price minima to markets where SMRs are not applied.  Fix law compliance to not throw errors with intelligence and height SMRs.

Custom hotkeys

See merge request pregmodfan/fc-pregmod!6912

Js careers

See merge request pregmodfan/fc-pregmod!6963

law tweaks

See merge request pregmodfan/fc-pregmod!6961

old career code in ls

See merge request pregmodfan/fc-pregmod!6962

Law compliance

See merge request pregmodfan/fc-pregmod!6960

remove unneeded CSS file

See merge request pregmodfan/fc-pregmod!6958

Unbreak nursery BC

Closes #1843

See merge request pregmodfan/fc-pregmod!6957

Unbreak nursery BC.  Probably still doesn't work but at least it's not accessing undefined variables anymore, so it won't get in the way of upgrading games.