Launch first app of search list on keyboard commit

[Maxmystere]

Type of change(s)

• Bug fix
• Feature / enhancement
• Infrastructure / tooling (CI, build, deps, tests)
• Documentation

What changed and why

• Pressing enter on search bar launch the first found app #331

Tests performed

• Tested with Textbox being empty / with some character finding one or multiple apps / with characters finding no app
• Not tested with a real keyboard

Closes the following issue(s)

• Closes Pressing enter on search bar launch the first found app #331

Checklist

• I read the contribution guidelines.
• I manually tested my changes on device/emulator (if applicable).
• I updated the "Unreleased" section in CHANGELOG.md (if applicable).
• I have self-reviewed my pull request (no typos, formatting errors, etc.).
• All checks are passing.