message: fix(svg-icon): fix SvgIcon style
diff: <template>
  - <SvgIcon :size="size" :name="getSvgIcon" v-if="isSvgIcon" :class="[$attrs.class]" :spin="spin" />
  + <SvgIcon
  + :size="size"
  + :name="getSvgIcon"
  + v-if="isSvgIcon"
  + :class="[$attrs.class, 'anticon']"
  + :spin="spin"
  + />
  <span
  v-else
  ref="elRef"
  