message: fix(theme): fix toggle-sidebar button in ssr
diff: left: var(--sidebar-width);
  z-index: 100;
  + display: none;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: left var(--transform-transition);
  + @media (min-width: hope-config.$tablet) {
  + display: block;
  + }
  +
  &:hover {
  background-color: rgb(127 127 127 / 5%);
  cursor: pointer;
  