Support Solidus from 1.4 and higher
Support Solidus from 1.4 and higher

The way we setup the payments from Affirm are not compatible with
Solidus < 1.4. In those versions the `order#add_store_credit_payments`
was assuming too much and errored out because of non existing store
credits.

Also see
https://github.com/solidusio/solidus/commit/be97c0e0c04c719b992042de6a9e3b5f8e9a3c42

StemboltHQ/solidus_affirm,StemboltHQ/solidus_affirm,StemboltHQ/solidus_affirm