Fix logic error that breaks everything

src/common/editor.ts

@@ -142,7 +142,7 @@ export class Editor {
 
 	private drawRows(): void {
 		for (let y = 0; y < this.#screen.rows; y++) {
-			if (this.#document.numRows < y) {
+			if (y >= this.#document.numRows) {
 				this.drawPlaceholderRow(y);
 			} else {
 				this.drawFileRow(y);