Polish onboarding copy and remove dialog emojis

What's New

This release refines onboarding and backend installer copy by removing emoji usage and tightening UI text consistency.

• Cleaner Onboarding Messaging: Updated onboarding step titles and related strings to remove emoji decoration and improve tone consistency.
• Backend Dialog Copy Polish: Adjusted backend installer dialog text for a clearer, more uniform style.
• Version Bump: Updated application version to 0.12.8.

Impact

• No Breaking Changes: This patch release is focused on copy and style-level improvements.
• Improved UX Consistency: Users should see a more consistent, professional tone across onboarding and backend dialogs.

PRs

• Direct commits included in this release range:
  • 38a8e22 style: remove emojis from backend dialogs and onboarding titles
  • 91d4fa9 chore(release): bump version to 0.12.8

Full Changelog: v0.12.7...v0.12.8