feat: show application icons in capture target picker

[kwp-lab]

Summary

• extract Windows application/window icons locally and attach them to capture-target enumeration
• replace the application source native select with an accessible Radix Select showing icons and two-line target details
• preserve stopped-target icons and executable-path rebinding without changing recording fallback semantics
• update dependency compliance artifacts, design/testing documentation, and changelog

Testing

• npm run check
  • frontend: 16 files, 129 tests passed
  • Rust: 127 passed, 5 hardware-dependent tests ignored
  • licenses, design tokens, web build, formatting, and Clippy passed