message: style: fix dialog overflow
diff: .jsxc-dialog-wrapper {
  - align-items: center;
  background-color: rgba(255, 255, 255, 0.8);
  bottom: 0;
  display: flex;
  - justify-content: center;
  left: 0;
  + overflow-y: auto;
  position: fixed;
  right: 0;
  top: 0;
  background: #fff;
  border: 1px solid #d8d8d8;
  display: inline-block;
  - max-height: 100%;
  + margin: auto;
  max-width: 100%;
  - overflow-y: auto;
  position: relative;
  text-align: left;
  width: auto;
  