Method findCurrentVisualLine

packages/pi-tui/src/components/editor.ts:1850–1854

* Find the visual line index for the current cursor position.

(
		visualLines: Array<{ logicalLine: number; startCol: number; length: number }>,
	)

	 * Find the visual line index for the current cursor position.
	 */
	private findCurrentVisualLine(
		visualLines: Array<{ logicalLine: number; startCol: number; length: number }>,
	): number {
		return this.findVisualLineAt(visualLines, this.state.cursorLine, this.state.cursorCol);
	}

	private moveCursor(deltaLine: number, deltaCol: number): void {
		this.lastAction = null;