How to reproduce:
1. Create a new project in your preferred workspace and open it
2. Connect it to Perforce and uncheck "Automatically add"
3. Create a new folder and observe its Inspector's top bar

Expected result: the Inspector's VCS bar shows the "Add" button and lets you add the local folder
Actual result: the Inspector's VCS bar shows "Submit" instead, trying to submit the folder shows an empty changeset

Reproduced in: 2020.1.0a3, 2019.3.0b3, 2019.3.0a4
Not reproducible in: 2019.3.0a3, 2019.2.5f1, 2018.4.8f1, 2017.4.32f1 (Had no Inspector version control buttons)