Attempt to fix lazy loader spec transient failure

What does this MR do?

This fix is based on the assumption that the sync scrollIntoView behaviour could be taking over 50ms to complete.

What are the relevant issue numbers?

Might close #49511 (closed) 🤷 🤷 🤷 🤷 🤷

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Documentation created/updated
• Tests added for this feature/bug
• Conforms to the code review guidelines
• Conforms to the merge request performance guidelines
• Conforms to the style guides
• Conforms to the database guides
• Link to e2e tests MR added if this MR has Requires e2e tests label. See the Test Planning Process.