Port `FileMenu2D` Component to v2

[ganimtron-10]

Is your feature request related to a problem?
We are porting existing UI components to the v2 branch to remains consistent and functional as we transition to the new architecture.

Describe the solution you'd like
Port FileMenu2D to the v2 branch. The implementation should follow the new architecture present in v2 branch while almost preserving the original API and user experience.

Key Requirements:

• Implementation: Port the core logic from the legacy branch into the v2.
• Dependencies: Identify and port any required sub-components or internal helper classes necessary for this UI to function correctly.
• Testing: Port and adapt all existing and create new tests associated with this component to verify features.

Additional context

• Base Branch: v2
• Reference the existing v2 UI components for the standards and architecture.
• Needs Port ListBox2D Component to v2 #1111

[bandrose59]

/assign