fix(mobile): Fix iOS swipe not paging #6726
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The
onPageChange
function in the gallery was updating two watchedValueNotifier
s which caused a race condition on iOS to not move the page every time. At least, this is our best approximation of what is happening.The fix was to combine those two indices into a single watched object with a
copyWith
method to recreate it. I'm still able to reproduce the issue intermittently, so there may still be additional rebuilds caused by race conditions in the watched parameters.