Transparent Navigation bar. while it should be non transparent

A clear and concise description of what the question is.
After Joining meeting earn we click on Participants then there is no option to set background color of navigation bar of Participant screen. so that our custom previous screen background button and title is visible. this is bad experience. please suggest me how we will set nav background of this screen. please see overlapping title and button with the previous, screen shot attached in it.

Which iOS Meeting SDK version? = 5.something
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Smartphone (please complete the following information):

  • Device: [e.g. iPhone 12]
  • OS: [e.g. iOS 14]

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