fix checking permission

Author: jj105

girderformindlogger/api/v1/cases.py

@@ -69,7 +69,7 @@ def getCase(self, id):
                 if appletId not in applets:
                     applets.append(appletId)
 
-        hasPermission = True if len(document['applets']) else False
+        hasPermission = True if not len(document['applets']) else False
         for appletId in document['applets']:
             if appletId in applets:
                 hasPermission = True