message: Fix mouse dragging reset state bug
diff: @@ -379,7 +379,6 @@ class FramebufferView extends Component<FramebufferViewProps & FramebufferViewDi
  return;
  }
  -
  const { charPos } = this.currentCharPos(e);
  this.setCharPos(true, charPos);
  @@ -474,7 +473,7 @@ class FramebufferView extends Component<FramebufferViewProps & FramebufferViewDi
  // Pan/zoom mouse event handlers. Called by the bound handlePointerDown/Move/Up
  // functions if the pan/zoom tool is selected.
  - private panZoomDragging = true;
  + private panZoomDragging = false;
  handlePanZoomPointerDown (e: any) {
  this.panZoomDragging = true;
  