Error searching for calling test

Description

In case the called parent does not exist it will give an error when searching for it.

How to reproduce

1. Create 2 tests
2. On test A create 2 steps where one of them is to call test B
3. On test B add 2 steps
4. Disable Xray
5. Delete test A
6. Enable Xray
7. Navigate to test B
8. Click on "Called from 1 test"

Actual result/Attachments

An error will appear on the search section because the issue does not exist.

Expected result

The invalid entries should be filtered and no error should appear

Version
Any