add en-US changes to SaaS, previously merged into main. So this is
effectively a main -> SaaS PR also. It seems to be all additive.
Also take the 230 ish missing translations from en-GB over to en-US
using a script, and also make and english spellings American when adding
them to the en-US file, and fix any existing American spellings in the
en-GB file.
Anthony StirlingandGitHub
EthanHealy01andGitHub