showOverlay method
void
showOverlay()
Shows the search overlay.
Implementation
void showOverlay() {
if (_isOverlayVisible) return;
_isOverlayVisible = true;
// Preserve the focused index when reopening
// If cubit is in initial state and searchOnEmpty is true, trigger initial fetch
if (_cubit.state is SmartPaginationInitial && _config.searchOnEmpty) {
_performSearch(_textController.text);
}
notifyListeners();
}