Do not display Ingress IP help text when there isn’t an Ingress IP assigned

What does this MR do?

If the ingress IP address is not assigned for the cluster, do not display the help text that prompts the user to use the ingress IP.

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation created/updated or follow-up review issue created
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Database guides
• Separation of EE specific content

Closes #60068 (closed)