message: Stop crashing when no emulator is around
diff: @@ -315,7 +315,7 @@ export class TerminalBlock implements Block {
  const firstRow = Math.max(topRenderRow, selectionStart.y);
  const lastRow = Math.min(topRenderRow + heightRows + 1, selectionEnd.y + 1);
  - const emulatorWidth = this.#emulator.getDimensions().cols;
  + const emulatorWidth = this.#emulator?.getDimensions().cols ?? 0;
  painter.setCompositionMode(CompositionMode.CompositionMode_Screen);
  