fix: Disallow delete during a keyboard-driven move#431

rachel-fenichel merged 1 commit intoRaspberryPiFoundation:mainRaspberryPiFoundation/blockly-keyboard-experimentation:mainfrom

microbit-matt-hillsdon:delete-draggingmicrobit-matt-hillsdon/blockly-keyboard-experimentation:delete-draggingCopy head branch name to clipboard