Image Picker fails to load images when the "tags" field is not present in the "image" content type.

Steps to reproduce:
1. Login as admin
2. Go to Content types -> Media -> Image content type
3. Edit the content type
4. Rename the "tags" field identifier to "tagsedited" and save the changes
5. Start creating a new Article
6. In the "Intro" field select "Image" to open Image Picker

Result:

The images fail to load. The backend response returns:

 
{
"ErrorMessage": {
"_media-type": "application\/vnd.ibexa.api.ErrorMessage+json",
"errorCode": 500,
"errorMessage": "Internal Server Error",
"errorDescription": "An error has occurred. Please try again later or contact your Administrator."
}