How to reproduce:
1. Open the attached project "DS-Test-Project.zip"
2. Open HomeScene (Assets > Scenes > HomeScene in the Project window)
3. Switch from Game view to Simulator view in the Game view Control Bar
4. Enter Play Mode
5. Click the "Drawing" button in the Simulator view
6. Draw on screen using mouse

Expected result: the line is drawn on the cursor
Actual result: the line is drawn on the offset of the cursor

Reproducible with: 2021.1.0a3, 2021.1.9f1, 2021.2.0a18
Not reproducible with: 2019.4.27f1 (3.0.0-preview), 2020.3.10f1 (3.0.0-preview), 2021.1.0a1 (3.0.0-preview)
Could not test with: 2018.4.35f1 (feature doesn't exist), 2021.1.0a2 (integration to the Editor is not fully completed)

Note:
- The behavior is different with Windows, the cursor's position is being detected at (infinity, -infinity)