Refactor RecipeManager to use LINQ and PrototypesReloaded

[AndrewFenriz]

About the PR

Refactors RecipeManager for better maintainability and adds support for prototype reloading.

Why / Balance

Technical improvement. It ensures that recipe changes are applied immediately and keeps the codebase clean.

Technical details

• Replaced manual loops and RecipeComparer with a LINQ chain (Where, OrderByDescending).
• Added OnPrototypesReloaded handler to update the recipe list when prototypes are modified in runtime.
• Switched to file-scoped namespace and removed redundant code.
• Removed unused SolidAppears method

Media

Not required.

Requirements

• I have read and am following the Pull Request and Changelog Guidelines.
• I have added media to this PR or it does not require an in-game showcase.

Breaking changes

None.

Changelog
No player-facing changes.

[Princess-Cheeseballs]

Looks a lot better. I'll let another maintainer look at it since some of them have some opinions on LINQ.