Can't assign interface to LAG from slave device of virtual chassis

[fixed77]

NetBox version

v3.3.5

Python version

3.8

Steps to Reproduce

1. Create virtual chassis, consists of 2 devices
2. Set first device as master
3. Create LAG interface on master
4. Try assign interface from slave to added LAG.

Expected Behavior

Dropdown list show all LAGs from Virtual chassis

Observed Behavior

Dropdown list empty