Warning in code editor if player is not "oped"

Happens many times and is annoying, but has an easy fix: The students work in the code editor and runs her code, just to see that the code those not execute. The student calls for the teacher to get assistance. First troubleshooting is to check wether the student has the Operator role, having the rights to practically cheat. 

This problem could be solved if the code editor would check on start if the OP role is given. If not, it should show a warning popup message, that the code won't run, because the player has just the Member role.