Wrong pop up window size when reimporting packages samples from package manager

Reproduction steps:
1. Open the user's attached project
2. Open Window > Package Manager
3. Select Splines package
4. Reimport Spline Examples

Expected result: All text in pop up message is visible
Actual result: Pop up message text area is very small

Reproduced with: 1.0.0-pre.8 (2020.2.0b4, 2020.3.30f1, 2021.1.0a1, 2021.1.28f1), 1.0.0-pre.9 (2022.2.0a1, 2022.2.0a5)
Not reproduced with: 1.0.0-pre.8 (2019.4.36f1, 2020.2.0b3, 2021.2.0a1, 2021.2.13f1), 1.0.0-pre.9 (2022.1.0b9)