use sets for better performance

Summary by CodeRabbit

Release Notes

• New Features

  • Enhanced data access methods across various components, improving consistency and error handling.
  • Updated handling of media collections to utilize Set and Map, ensuring uniqueness and better performance.

• Bug Fixes

  • Improved error handling in components by implementing null checks and fallback values.

• Documentation

  • Updated type definitions across components to enhance type safety and clarity.

• Refactor

  • Streamlined logic for accessing and processing collections in multiple components, including the Dashboard, Player, and Queue.

• Style

  • Standardized code formatting, including consistent use of semicolons and double quotes.

• Tests

  • Adjusted tests to reflect changes in data structures, ensuring accurate validation of functionality.