message: Prevent embedded viewer's focus() calls from breaking text selection
diff: @@ -554,8 +554,6 @@ export class EmbeddedViewer extends ViewerElement implements SupportsClipboardPa
  this._titleBarUI.closeHandler = this._emitCloseRequest.bind(this);
  const outputDiv = DomUtils.getShadowId(this, ID_OUTPUT);
  - outputDiv.addEventListener('mousedown', this.focus.bind(this));
  - outputDiv.addEventListener('click', this.focus.bind(this));
  outputDiv.addEventListener('keydown', this._handleKeyDown.bind(this));
  outputDiv.addEventListener(VirtualScrollArea.EVENT_RESIZE, this._handleVirtualScrollableResize.bind(this));
  @@ -571,12 +569,6 @@ export class EmbeddedViewer extends ViewerElement implements SupportsClipboardPa
  if (viewerElement === null) {
  return;
  }
  -// FIXME
  - // if (isCommandable(viewerElement)) {
  - // viewerElement.executeCommand(COMMAND_OPEN_CONTEXT_MENU, {x: ev.clientX, y: ev.clientY});
  - // } else {
  - // this.executeCommand(COMMAND_OPEN_CONTEXT_MENU, {x: ev.clientX, y: ev.clientY});
  - // }
  });
  }
  