feat: 修复机房未签名的巡检时间显示

pages/inspectionContent/inspectionContentList.vue

@@ -37,7 +37,7 @@
               <view class="number"
                 >巡检编号：<text class="value">{{ inspectionCode }}</text></view
               >
-              <view v-if="isSign" class="number"
+              <view v-if="!!isSign" class="number"
                 >巡检时间：<text class="value">
                   {{ updateDate }}
                 </text></view