Fix CasC export with non-English locales (#484)

Author: timja

src/main/java/com/microsoft/jenkins/azuread/integrations/casc/PermissionDefinition.java

@@ -31,7 +31,7 @@ public static PermissionDefinition forPermission(Permission permission) {
 
     @Override
     public String toString() {
-        return permission.group.title + "/" + permission.name;
+        return permission.group.getId() + "/" + permission.name;
     }
 
     @Override
@@ -64,7 +64,7 @@ public Object convert(Class target, Object o) {
                 return ((List<?>) o)
                         .stream()
                                 .map(p -> (PermissionDefinition) p)
-                                .map(p -> p.permission.group.title + "/" + p.permission.name)
+                                .map(p -> p.permission.group.getId() + "/" + p.permission.name)
                                 .collect(Collectors.toList());
             }
 
@@ -76,4 +76,4 @@ public Object convert(Class target, Object o) {
             throw new IllegalArgumentException("Failed to convert '" + o + "' to " + target);
         }
     }
-}
+}