Users should be redirected to previous page upon logging in

[jeremystretch]

NetBox version

v3.1.5

Python version

3.7

Steps to Reproduce

1. Navigate to the sites list as a non-authentictaed user
2. Click the "Log In" button at top right
3. Enter your valid credentials and submit

Expected Behavior

User should be logged in and redirected back to the sites list

Observed Behavior

User is logged in but redirected to the home page. (This happens for any view; I'm just using the sites list as an example.)