When warping in TabBarView, pages that are not shown on the Viewport can improperly be built and immediately disposed. This behavior is undesired, as it may have performance implications from attempting to build and dispose of a widget unnecessarily. To reproduce:

1. Tap on a tab that is adjacent to a tab containing a nested TabBarView
2. The nested tab has to be in between the initial tab and the tab that was tapped on
   (ie. current index = 0, tap on tab at index 3 when tab at index 2 has nested TabBarView)

See #31581 for context