This issue is addressed in FIMS 14.70 released in May 2019. HostNet was updated to 14.70 on 5/19/2019. For on-premise customers, check the Blackbaud downloads page for the update. There will be a post on the FIMS Community page when the 14.70 installation file is available:

https://community.blackbaud.com/products/fims

You can subscribe to updates for FIMS by following the article below:
https://kb.blackbaud.com/articles/Article/54265