Add link for nil link text

What does this MR do and why?

This fixes the bug in the Linked resources feature, the bug mentioned in issue

Screenshots or screen recordings

Screen_Recording_2022-07-28_at_9.00.11_AM

How to set up and validate locally

Follow the steps mentioned in !93134 (merged) to add a linked resource without link text. Check that link is shown if the link text is not added.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.