Make data templates work again with MenuItem. #10836
Merged
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What does the pull request do?
Menu
s stopped working correctly with data templates after #9677, a few fixes were needed to make them work again:MenuItem
is aHeaderedSelectingItemsControl
not aHeaderedItemsControl
so need to separate logic for that case when preparing itemsHeaderTemplate
toHeaderedSelectingItemsControl
ItemTemplate
should be used if set (cross-checked with WPF)HeaderTemplate
Fixed issues
Fixes #10626
Fixes #10718