404 error occurs when deleting draft scheduled for publishing.

Steps:

1. Create new article.
2. Fill mandatory fields.
3. Confirm publishing later.
4. Go to Dashboard.
5. Edit the draft from step 3.
6. Delete draft.

Actual result: HTTP 404 Not Found error occurs

Could not find 'Content' with identifier '122'

Expected result: Parent content item is displayed.

Remarks: Does not affect v2.5.15.