Implement single editor mode for Manage Solution UI and text editor

[arneschmid]

Fixes

#221

Changes

Screenshots

Checklist

• 🤖 This change is covered by unit tests (if applicable).
• 🤹 Manual testing has been performed (if necessary).
• 🛡️ Security impacts have been considered (if relevant).
• 📖 Documentation updates are complete (if required).
• 🧠 Third-party dependencies and TPIP updated (if required).

[github-actions]

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

Scanned Files

None

[qltysh]

Coverage Impact

⬆️ Merging this pull request will increase total coverage on main by 0.18%.

Modified Files with Diff Coverage (2)

Rating	File	% Diff	Uncovered Line #s
	src/manifest.ts	100.0%
	src/views/manage-solution/manage-solution-custom-editor.ts	92.5%	257, 270, 314, 344, 372
	Total	92.6%

🤖 Increase coverage with AI coding...

In the `fix/close-editor-on-preview-switch` branch, add test coverage for this new code:

- `src/views/manage-solution/manage-solution-custom-editor.ts` -- Lines 257, 270, 314, 344, and 372

🚦 See full report on Qlty Cloud »

🛟 Help

• Diff Coverage: Coverage for added or modified lines of code (excludes deleted files). Learn more.

• Total Coverage: Coverage for the whole repository, calculated as the sum of all File Coverage. Learn more.

• File Coverage: Covered Lines divided by Covered Lines plus Missed Lines. (Excludes non-executable lines including blank lines and comments.)

  • Indirect Changes: Changes to File Coverage for files that were not modified in this PR. Learn more.