message: Fixed cobuild star rates
diff: v-for="pron in result.prons"
  >{{ pron.phsym }} <speaker v-if="pron.audio" :src="pron.audio"></speaker></span>
  </div>
  - <div class="cobuild-rate">
  - <star-rates :rate="result.star || 0" :width="15" :gutter="4"></star-rates>
  + <div class="cobuild-rate" v-if="result.star >= 0 || result.level">
  + <star-rates :rate="result.star" :width="15" :gutter="4"></star-rates>
  <span class="cobuild-level">{{ result.level }}</span>
  </div>
  <ol class="cobuild-defs" v-if="result.defs">
  