Group-Handling with blockly

I would respectfully disagree here. To me the endgame for Blockly scripts is not only to abstract away the actual code, but provide some “good” reference code, including for educational purposes. Cluttering it with safeguards to avoid misuse is somewhat defeating the purpose, IMO. See my remark here: [blockly] Fix item.getAttributes by stefan-hoehn · Pull Request #1254 · openhab/openhab-webui · GitHub