Test: search bar auto complete via ui and validating via api

[Naseem77]

Title: validate search bar auto-complete via ui and api
Preconditions: Browser is launched, and code graph home page is accessible.

Test Steps:

Navigate to the code graph home page.
Select a graph.
Input a search term into the search bar.
Record the auto-complete suggestions count displayed in the UI.
Fetch auto-complete suggestions from the API for the same search term.
Compare the UI suggestions count with the API response count.

Expected Result: The number of auto-complete suggestions in the UI should match the number of completions in the API response.