Update Czech strings for improved clarity

[Kuliiuu]

Fix Czech translation typos

Type of change(s)

• Bug fix

What changed and why

• Fixed wording in the Czech translation of the "skip recycle bin" string
• Fixed small gramatical errors
• Fixed a badly translated Mé to Já

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.).
• I understand every change in this pull request.