message: style(selection): add double click type
diff: @@ -41,6 +41,7 @@ export interface MsgSelection {
  selectionInfo: SelectionInfo
  mouseX?: number
  mouseY?: number
  + dbClick: boolean
  ctrlKey?: boolean
  }
  @@ -49,5 +50,6 @@ export interface PostMsgSelection {
  selectionInfo: SelectionInfo
  mouseX: number
  mouseY: number
  + dbClick: boolean
  ctrlKey: boolean
  }
  