Replace ACE with Editor Lite for `/-/ci/lint`

What does this MR do?

Replaces ACE editor with Editor Lite for the CI linting view (/-ci/lint).

Screenshots

ACE (Before)	Editor Lite (after with Solarized Dark theme)

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Database guides
• Separation of EE specific content

Availability and Testing

• Review and add/update tests for this feature/bug. Consider all test levels. See the Test Planning Process.
• Tested in all supported browsers
• Informed Infrastructure department of a default or new setting change, if applicable per definition of done

References #198606 (closed)