Updates unit tests to include more accurate assertions for camera projections.
Adds .idea/workspace.xml to .gitignore to prevent tracking local IDE settings.
Refactors some test fixture class names for consistency.
Adds project-specific IDE settings to improve code style consistency and development environment.
Removes the .idea directory from the .gitignore file, as these files are now intended to be part of the project for consistent IDE configuration across contributors.
Excludes the vcpkg directory from being tracked by Git.
This prevents accidental commits of external library files
managed by vcpkg, keeping the repository cleaner.
