Some 'Create' buttons missing '+' icon

Small bug after https://review.openstack.org/#/c/107042/ was merged.

Image Custom Properties
Volumes Extra Specs
Admin > Projects

Closes-Bug: #1349606
Change-Id: I023b10be4f409d311c30f616b2bf24432af9551c
Merge "Some 'Create' buttons missing '+' icon"