calculateVisibleRows() {
		const lineHeight = 16; // Height of one row in pixels
		const containerHeight = this.hexeditContent.clientHeight;
		this.visibleRows = Math.floor(containerHeight / lineHeight);
		this.visibleByteCount = this.bytesPerRow * this.visibleRows;
		console.log(`calculateVisibleRows: visibleRows=${this.visibleRows}, visibleByteCount=${this.visibleByteCount}`);
		this.renderDom(); // Re-render to apply the new rows
	}
Calculates the number of visible rows based on the container's height.