Tested in Moodle 3.9 + 4.1 (Boost theme)

Error

Reproduction steps:

Login with an user with privileges to create courses and users by example a siteadmin/manager

1. Login as admin/manager (an user that can create courses) 
2. Create a user named "Editing Teacher" 
3. Create a course named Contentbank
4. Enrol 'Editing Teacher' with the rol Teacher (editing teacher)
5. Create a course named: activity
6. Enrol 'Editing Teacher' with the rol Teacher (editing teacher)

Login as Editing Teacher

1. Go to course named: Contentbank
2. Go to  the contentbank
3. Add a h5P contenttype, name it "File corrupt" (I used coursepresentation, with some random text) 
4. Go to the course: activity
5. Add a H5P Core activity to the course named: File corrupt
6. Click in package file on 'add'
7. Click on content bank
8. Navigate to the course where you have created the content
9. choose 'create an alias/shortcut to the file' / Link to file 
10. Select the contentfile you created in step 3
11. click on save and display
12. You should be able to see the content

Login with an user with privileges to see all courses, deleted users and edit contentbank items by example a siteadmin/manager

1. Go to the course: activity
2. Click on H5P activity: file corrupt
3. You should be able to see the content
4. navigate to siteadmin > Users > Accounts > Browse list of users.
5. Search the user named "Editing Teacher" 
6. Delete the account
7. Go back to course: Activity
8. You should be able to see the content
9. Go to course named: Contentbank
10. Go to  the contentbank
11. Click on content file named File corrupt 
12. Click edit
13. Click save (you don't have to make changes) 
14. Go to the course: activity
15. Click on H5P activity: file corrupt
16. You now see the notification "This file can't be displayed because it has been uploaded by a user without the required capability to deploy h5p content'
17. Edit the H5P activity 
18. Remove the content from the Package file
19. Click in package file on 'add'
20. Click on content bank
21. Navigate to the course where you have created the content
22. choose 'create an alias/shortcut to the file'
23. Select this file
24. You should be able to see the content

I think it is the repository but I don't know how this is different from other repository behavior and if this is expected behavior but it at least not behavior you really would like to have. 

NOTE: 22-05-2023 we found out when we restore the user from the database, and place it back in the same premissions the issue is also being resolved.