message: fix(panel): blur input on drag start
diff: @@ -142,7 +142,9 @@ export default class DictPanelPortal extends React.Component<DictPanelPortalProp
  }
  handleDragStart = (e: React.MouseEvent<HTMLDivElement>) => {
  - // prevent mousedown dragging
  + const activeElement = document.activeElement as any
  + if (activeElement) { activeElement.blur() }
  + // prevent mousedown default dragging
  e.preventDefault()
  e.stopPropagation()
  // e is from iframe, so there is offset
  