Fix: see/add users in the UI when no organism

Author: garrettjstevens

grails-app/services/org/bbop/apollo/PermissionService.groovy

@@ -624,7 +624,7 @@ class PermissionService {
             organism = organism ?: preferenceService.getCurrentOrganismPreferenceInDB(clientToken)?.organism
         }
         // don't set the preferences if it is coming off a script
-        if (clientToken != FeatureStringEnum.IGNORE.value) {
+        if (clientToken != FeatureStringEnum.IGNORE.value && organism) {
             preferenceService.setCurrentOrganism(getCurrentUser(), organism, clientToken)
         }
         if(organism){

grails-app/services/org/bbop/apollo/PreferenceService.groovy

@@ -700,7 +700,8 @@ class PreferenceService {
                 organism = Organism.first()
             }
             if (!organism) {
-                throw new PermissionException("User does not have permission for any organisms.")
+                log.warn("Not able to get organism preference")
+                return null
             }
 
 //            sequence = sequence ?: Sequence.findByOrganism(organism, [sort: "end", order: "desc", max: 1])