message: perf(panel): memoize dict item
diff: import React, { FC } from 'react'
  import { DictItem, DictItemProps } from '../DictItem/DictItem'
  +const MemoDictItem = React.memo(DictItem)
  +
  type DictListItemKeys =
  | 'dictID'
  | 'preferredHeight'
  @@ -17,7 +19,7 @@ export const DictList: FC<DictListProps> = props => {
  return (
  <div className="dictList">
  {props.dicts.map(data => (
  - <DictItem key={data.dictID} {...restProps} {...data} />
  + <MemoDictItem key={data.dictID} {...restProps} {...data} />
  ))}
  </div>
  )
  