chore: add vitest/globals types, remove redundant vitest imports, fix pre-existing lint issues

src/entities/experience/ui/ExperienceCard.test.tsx

@@ -1,4 +1,3 @@
-import { describe, it, expect } from 'vitest';
 import { render, screen } from '@testing-library/react';
 import { ExperienceCard } from './ExperienceCard';