Arena: the avatar link beside each mic moment is named (the fighter), found by the browser smoke's --a11y

ddiff --git a/public/js/arena.js b/public/js/arena.js
iindex 21e0c69c..ff6fbce9 100644
---- a/public/js/arena.js
++++ b/public/js/arena.js
@@@ -268,7 +268,7 @@ function _aRenderCams(live) {
  
  function _aMomentRow(m) {
      return `<div class="arena-mic-moment ${m.kind === 'beef_hit' ? 'is-beef' : ''} ${m.quality >= 8 ? 'is-fire' : ''}" data-id="${m.id}">
--        ${_aA(_aFighterLink(m.user), _aPortrait(m, 'xs'))}
++        ${_aA(_aFighterLink(m.user), _aPortrait(m, 'xs'), '', m.fighter_name || (m.user && m.user.username) || 'Fighter')}
          <div class="arena-mic-moment-body">
              <div class="arena-mic-moment-head">${_aA(_aFighterLink(m.user), `<b>${_aEsc(m.fighter_name)}</b>`)}${m.live ? ' <span class="arena-live-pill">LIVE</span>' : ''} ${_aAim(m)} ${_aQ(m.quality)} <small>${_aEsc(_aAgo(m.at))}</small></div>
              <q>${_aEsc(m.text)}</q>