fix(family): self-check-result :key 移除字符串拼接表达式 'ma'+i，避免非 h5 平台编译警告

cfc-frontend/pages/family/self-check-result.vue

@@ -83,7 +83,7 @@
           <text class="scr-advice-interpretation" v-if="adv.interpretation">{{ adv.interpretation }}</text>
           <view class="scr-advice-actions" v-if="adv.microActions && adv.microActions.length > 0">
             <text class="scr-advice-action-label">本周行动：</text>
-            <text v-for="(action, i) in adv.microActions" :key="'ma'+i" class="scr-advice-action">{{ i+1 }}. {{ action }}</text>
+            <text v-for="(action, i) in adv.microActions" :key="i" class="scr-advice-action">{{ i+1 }}. {{ action }}</text>
           </view>
         </view>
         <view class="scr-family-insight" v-if="result.advices[0] && result.advices[0].familyInsight">