src/vs/workbench/browser/parts/editor/editorStatus.ts/EditorStatus/onColumnSelectionModeChange
class EditorStatus:	private onColumnSelectionModeChange(editorWidget: ICodeEditor | undefined): void {
		const info: StateDelta = { type: 'columnSelectionMode', columnSelectionMode: false };

		if (editorWidget?.getOption(EditorOption.columnSelection)) {
			info.columnSelectionMode = true;
		}

		this.updateState(info);
	}