resolveCaretY method
Implementation
double resolveCaretY(CaretStop stop) {
final containerId = findLogicalContainerId(stop.fragmentId);
if (containerId != null) {
final render = _paragraphRegistry.renderFor(containerId);
final y = render?.getCaretY(stop.fragmentId, stop.offset);
if (y != null) return y;
}
final box = _findBlockImageBox(stop.fragmentId);
if (box == null) return 0.0;
return box.localToGlobal(Offset.zero).dy;
}