refactor: Update pnpm lockfile and frontend dependencies for improved compatibility and performance

Commit notes

This commit modifies the pnpm lockfile version to 6.0 and updates various package versions in the frontend, including `prettier-plugin-svelte` and `@sveltejs` packages. Additionally, it refines the hotkey definitions and improves the handling of keyboard shortcuts in the sequencer components. These changes enhance the overall performance and maintainability of the project.