public Settings getColumnSettings() {
		Settings s = columnSettingsRef.get();
		if (s == null) {
			s = SettingsImpl.NO_SETTINGS;
		}
		return s;
	}
Clear the row state
@see #setRowData(int, Object)
Ghidra/Framework/Docking/src/main/java/docking/widgets/table/GTableCellRenderingData.java