Support multiple edit of annotations

[wkentaro]

Close #1369

1. person -> [select] -> human
2. person -> [select] -> human
3. bottle

1. person -> [select] -> <can change group_id but not label>
2. person -> [select] -> <can change group_id but not label> 
3. bottle -> [select] -> <can change group_id but not label>

If we want to edit multiple different labels at the same, we need different button.

FocuSee.Project.2024-06-13.23-51-061.mp4

[wkentaro]

@Daasein Let's introduce the new action when it's absolutely needed (e.g., we need to edit "red" and "green" back to "traffic lights".