Enable tutorial creation for Windows

[rozyczko]

Timing on UI operations has been extended and this (combined with assuring that the calculators are included) seems to have helped. https://github.com/easyScience/easyDiffractionApp/runs/4236278195

[AndrewSazonov]

• Confirmed that test video creation works correctly on Windows
• Screen resolution of 1920x1080 works correctly on Windows
• PyInstaller 4.5.1 is selected because 4.6 and 4.7 don't work on Ubuntu
• Python version 3.8 is selected instead of 3.7

[rozyczko]

This needs to be merged, otherwise windows builds don't work