message: Don't use name width in reply thread for IRC layout
diff: @@ -207,6 +207,17 @@ $irc-line-height: $font-18px;
  width: unset;
  max-width: var(--name-width);
  }
  +
  + .mx_SenderProfile_hover {
  + background: transparent;
  +
  + > span {
  + > .mx_SenderProfile_name,
  + > .mx_SenderProfile_aux {
  + min-width: inherit;
  + }
  + }
  + }
  }
  .mx_ProfileResizer {
  