Fix `trans_choice()` pluralization#3405

Merged

jasonvarga merged 3 commits intomasterfrom

fix/trans-choice-pluralization

Mar 19, 2021

Commits on Mar 19, 2021

Rename dashed locales to use underscores.
jesseleite
committed
Make configured locales with dashes backwards compatible, as they should be underscores.
jesseleite
committed
Update to underscores in `getPluralForm` JS as well.
jesseleite
committed