don't add extra start block when loading new project
don't add extra start block when loading new project

hemantkasat/turtleblocksjs,i5o/turtleblocksjs,rodibot/turtleblocksjs,walterbender/turtleblocksjs,garyservin/turtleblocksjs,tchx84/turtleblocksjs,tchx84/turtleblocksjs,Daksh/turtleblocksjs,hemantkasat/turtleblocksjs,i5o/turtleblocksjs,tradzik/turtleblocksjs,hemantkasat/turtleblocksjs,garyservin/turtleblocksjs,walterbender/turtleblocksjs,tchx84/turtleblocksjs,garyservin/turtleblocksjs,i5o/turtleblocksjs,rodibot/turtleblocksjs,walterbender/turtleblocksjs,tradzik/turtleblocksjs,rodibot/turtleblocksjs,Daksh/turtleblocksjs,Daksh/turtleblocksjs,tradzik/turtleblocksjs