fix role utils

services/rights/roleUtils.ts

@@ -115,7 +115,7 @@ class RoleUtils {
       if ((match = regex.exec(role)) !== null) {
         const subject = match[2]
         const action = match[3]
-        if(subject && action){
+        if(subject){
           abilities.push({
             action: actionMap[action],
             subject: subject.toLowerCase()