Navigation issue swiftui

I navigating to tabview from content view. For this i am using navigationview link in content view. In the four tabs first tab contains scrollview. While scrolling the view i am getting navigation bar on top and it is applying to all tabs.

if land on first tab and if i switch to third tab without scroll and scroll in third tab, i am not getting navigation bar and i return to first tab, then also i am not getting navigation bar.

Can you please let me know how to resolve this. How to maintain navigation bar consistent

Navigation issue swiftui
 
 
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