Assign your logo sprite in the prefab Product Logo so it'll get applied automatically to the menu.
- Name your PNG logo file as: product_logo.png
- Delete the file product_logo.png in FloatGrids/Design System/Customization/Logo
- Add the your new file product_logo.png in FloatGrids/Design System/Customization/Logo
- Select product_logo.png and in the inspector:
- Texture type: Sprite (2D and UI)
- Sprite Mode: Single
- All set!
Find the Product Logo prefab in FloatGrids/Design System/Customization/Logo/Product Logo