Closes #10211 
Closes #7575 

Screenshot of feature:
![Screenshot 2025-03-06 at 1 08
13 PM](https://github.com/user-attachments/assets/73cc4519-248b-4264-9ce8-42d0980cf73c)

Screenshot of proposed menu:
![Screenshot 2025-03-06 at 1 14
30 PM](https://github.com/user-attachments/assets/efc7c18a-a2a5-491f-b3e5-5ed181f23906)

Screenshot of proposed menu closed:
![Screenshot 2025-03-06 at 1 14
57 PM](https://github.com/user-attachments/assets/0b42829c-abe3-48aa-9b81-30a0aeeac8fd)

Release Notes:

- Configuration of bottom_dock_layout in settings.json
- Layout Mode button in Title Bar
- 4 different layout modes for the bottom dock: contained (default),
full (extends below both docks), left-aligned, right-aligned (extends
only below the respective dock)

---------

Co-authored-by: Mikayla Maki <mikayla.c.maki@gmail.com>