Fix configuration

Fix Functionality and PLC id matching

Step.Database/Controllers/FunctionsAccessController.cs

@@ -87,8 +87,13 @@ namespace Step.Database.Controllers
             // If id is not mapped or function is false by database config return
             if (id == -1 || !functionAccessIsEnabled)
                 return functionAccessIsEnabled;
-            // Return PLC data
-            return functionalityList[id].IsActive;
+            // Find and Return PLC data
+            FunctionalityModel plcFunc = functionalityList.Where(x => x.Id == id).SingleOrDefault();
+
+            if (plcFunc == null)
+                return false; // If not found
+
+            return plcFunc.IsActive;
         }
     }
 }