Status bar style doesn't apply after rootViewController change

Number:rdar://FB7654838 Date Originated:04.07.2020
Status:Open Resolved:
Product:UIKit Product Version:13
Classification:Bug Reproducible:Always
1. We have view controller with preferredStatusBarStyle lightContent. 
2. Create new controller with another style - darkContent 
3. Set new controller as rootViewController for UIWindow

Actual result: style applies only for the battery and the wifi symbols, Carrier name and time doesn't update
Expected result: style is applied for all elements of the status bar

Bug is reproduced only for iOS 13


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