feat: replace arrayContains with build-in Array.includes function

[tkgroot]

replace helper function arrayContains with build-in Array.includes function

[Pulse-Git]

@tkgroot not supported by IE11

[tkgroot]

Maybe a good idea to drop IE11 support or let it be handled by polyfills? Also if you look ahead IE11 doesn't support ESM, so it's just a big hurdle to keep the support for it