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.

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Actual results: 
Unity shows up in the dock

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

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Reproducible with versions: 
6000.1

Not reproducible with versions: 
2022.3 LTS

Can’t test with versions: 

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Tested on (OS): 
macOS

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Notes:

•  There is code to implement this in modal progress backend windows.