How to reproduce:
1. Create a new project
2. Click on Collaborate in the Services window (Window > General > Services)
3. Create a Unity Project ID in the opened Project Settings Window
4. Turn on Collaborate (Click the OFF button in the Project Settings Window)
5. Click "Open the history panel"

Expected results: Collaborate window showing requested history information
Actual results: Nothing is shown in Collaborate window and there are NullReferenceException errors in the Console

Reproducible with: 1.6.0 (2019.4.29f1), 1.8.0 (2019.4.29f1, 2020.3.16f1, 2021.1.16f1, 2021.2.0b7, 2022.1.0a5)
Not reproducible with: 1.7.1, 1.9.0, 2.1.0-p.6 (2020.3.16f1, 2021.1.16f, 2021.2.0b7, 2022.1.0a5), 2.0.0-p.22 (2019.4.29f1)

Notes:
- If the preview version does not work changing the package version in manifest.json and launching the project should fix it.
- 2.0.0-preview versions not supported on 2020.1 and above.
- How to reproduce for 2019.4:
1. Create a new project
2. Create a Unity Project ID in the Services window (Window > General > Services)
3. Turn on Collaborate and open the history panel in the Services Window