removeNode method
Removes node from this scope and transfers focus if needed.
Implementation
void removeNode(FocusNode node) {
final index = _nodes.indexOf(node);
if (index != -1) {
node._setFocus(false);
_nodes.removeAt(index);
node._scope = null;
if (index <= _currentIndex && _nodes.isNotEmpty) {
_currentIndex = _currentIndex.clamp(0, _nodes.length - 1);
if (_isActive) {
_nodes[_currentIndex]._setFocus(true);
}
}
}
}