How to change order of tasks in tasks menu
Workspace > Customize > Task
Right click on the task that you would like to move and press Up or Down until it is in postion.
Save Settings > Save and close the .dgnlib
Next time you open a dgn or dgn file your tasks will be organized in the order you made in the .dgnlib
https://communities.bentley.com/products/microstation/w/microstation__wiki/10364/customizing-tools-and-tool-boxes-in-microstation-v8i