insertChipAtCursor method
Inserts a chip at the cursor position by converting the text at cursor.
Uses chipConverter to convert the text at cursor to a chip.
Implementation
void insertChipAtCursor(T? Function(String chipText) chipConverter) {
final boundaries = _findChipTextBoundaries(selection.baseOffset);
String chipText = value.text.substring(boundaries.start, boundaries.end);
T? chip = chipConverter(chipText);
if (chip != null) {
int chipIndex = _nextAvailableChipIndex;
_replaceAsChip(boundaries.start, boundaries.end, chipIndex);
_chipMap[chipIndex] = chip;
}
}