Replace minmax with setting min-width

What does this MR do?

See #296662 (closed) for more context.

TL;DR minmax might be coupling some parent components to knowing something special about their children and is easy to overlook. What if we just set the min-width on the problematic child?

Screenshots (strongly suggested)

Content that used to cause overflow still work 🎉

Firefox	Chrome	Safari

Does this MR meet the acceptance criteria?

Conformity

• [ ] Changelog entry Not needed 😄
• Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Database guides
• Separation of EE specific content

References

Related to #296662 (closed)