onSearchActiveChanged method
Called from didUpdateWidget when GlassSearchableBottomBar.isSearchActive changes.
Clears searchFocused when search is deactivated externally.
Implementation
void onSearchActiveChanged({
required bool wasActive,
required bool isActive,
}) {
if (wasActive && !isActive && _searchFocused) {
_searchFocused = false;
notifyListeners();
}
}