Older versions of unity would display progress in the dock. The new fancy splash screens don't do this on macOS.

*Steps to reproduce:*

1. Open a large project

2. Look at the dock while the splash screen is showing.

\\
*Actual results:* 
Unity shows up in the dock

*Expected results:* 
Unity shows up in the dock with a little pie chart indicating progress

\\
*Reproducible with versions:* 
6000.1

*Not reproducible with versions:* 
2022.3 LTS

*Can’t test with versions:* 

\\
*Tested on (OS):* 
macOS

\\
*Notes:*
*  There is code to implement this in modal progress backend windows.