Adding a link using the new editor does not find all pages

Issue Summary

Unable to find the links of all pages while adding page links using the insert link option, only a few page links are searchable.

Environment

Confluence cloud

Steps to Reproduce

Step 1. Go to a page and try to insert a link search for a specific page.

Test case:

1. I have below existing pages in my test instance nghuraiya.atlassian.net

2.I want to link "Test page for line brak" page, but when I search it in insertlink it does not show the expected result.
 

Expected Results

Should be able to add all existing page link.

Actual Results

Unable to insert/search all page links only a few page links are available.

Workaround

To link a page, select a text and use insert link option and open edit link to edit page link and update page URL.