Steps to reproduce:

0) Create an environment with following templates/hosts and permissions to each of them:

• template0 (read-write)
• template1 (read-write)
• template2 (deny)
• host (read-only)
  1) Link template1 to template2 and template2 to host;
  2) Log in with user which has defined permissions;
  3) Create an item on template0;
  4) Copy that item to template1.

Result:
Item is copied to template1 and template2 but not to host.

Expected:
Item should be copied also to host.