Change currency to use standard ISO codes

[Gareth Cantrell]

Currently, the currency field only accepts currency symbols ($,£,etc).

This is not very intuitive when working with vendors in countries where a symbol is either not easily input (e.g. JPY) or countries who all use variants of dollar (e.g. CAD, USD, AUD, etc)

Please update the currency field to accept ISO-compliant currency codes so we can work in a more standardised way.

[Steve Giller]

We have flagged this internally and the developers are aware of this request.

[Gareth Cantrell]

@Steve Giller Thanks - I was asked to raise it here off the back of my support request.