User can delete a page with insufficient permissions

[afroewis]

Q	A
Bug?	yes
Feature?	no
Sulu Version	1.4.2

Actual Behavior

Two Users:
User_EN: Read permission in de & en, Write permission in EN.
Admin: Any permission anywhere

1. Admin creates a page in de.
2. User_EN creates a copy of that page from the ghost page from de in en.
3. User_EN deletes that page.
4. This deletes the page in all locales.

Expected Behavior

User_EN should not be able to delete a page in a locale where he does not have the appropriate permission. Since he only has read permission in de, he should not be able to delete the page at all.