Problem:
Menu labels are not updated on t:panelNavigation2 when the action
returns null, and the same page is redisplayed. If we navigate to
another page and then navigate back, the labels are updated correctly.
How can we get t:panelNavigation2 to update itself without navigating to
a differ
Found a workaround for this issue (and a fairly obvious one at that!)
The answer was passing value-binding expressions (pointing to labels)
instead of the actual labels, when building the collection of
NavigationMenuItems.
This is the only way that I could get a usage such as
to
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