Add EditorCommands menu

[Bogdan-Belogurov]

Description

Add EditorCommands menu and update EditorInstance to be able to move lines up and down

Related Issues

• #259

Checklist

• [x] I read and understood the contributing guide as well as the code of conduct
• [x] The issues this PR addresses are related to each other
• [x] My changes generate no new warnings
• [x] My code builds and runs on my machine
• [x] My changes are all related to the related issue above
• [x] I documented my code

Screenshots

https://github.com/user-attachments/assets/1e5c1dd9-3b54-4fbb-87d0-020df3efe684