Resolve "Docs feedback: Add fixing gitlab-shell to troubleshooting"

What does this MR do?

What are the relevant issue numbers?

Does this MR meet the acceptance criteria?

• Documentation created/updated via this MR
• Documentation reviewed by technical writer or follow-up review issue created
• Conforms to the code review guidelines
• Conforms to the merge request performance guidelines
• Conforms to the style guides

Closes #59248 (closed)