Fix for non location DAS sources where checkboxes weren't being ticked - from branch
Fix for non location DAS sources where checkboxes weren't being ticked
- from branch

Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode