Title movement when undo/redo not updated in the viewer

Steps to reproduce:

• Create a new project
• Create a title clip
• In the middle pane, click + to increase the Horizontal alignment.
• Undo twice, notice the timeline is empty.
• Redo twice, notice the title appears centered when it should be a bit to the right.
• Seek (from 0) to the middle of the clip, notice the viewer is updated.

Note: it does not happen when you: Redo, Click the clip to select it, Redo