Resolve "Increase width of left column in reports modal"

What does this MR do?

Increase width of the left column in reports modal

Screenshots (if relevant)

before	after

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Conforms to the code review guidelines
  • Has been reviewed by a UX Designer
  • Has been reviewed by a Frontend maintainer
• Conforms to the merge request performance guidelines
• Conforms to the style guides

What are the relevant issue numbers?

Closes #49835 (closed)