test plan:
* on the quotas tab of the account settings,
set a group quota for an account
* create a subaccount
* should have the same default quota as the parent
account
closes #CNVS-14971
Change-Id: Icdb8e4a9666e4b7f03d9819ae7eab42627fff5ef
Reviewed-on: https://gerrit.instructure.com/44678
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Jeremy Stanley <jeremy@instructure.com>
Product-Review: Matt Fairbourn <mfairbourn@instructure.com>
QA-Review: Sean Lewis <slewis@instructure.com>