fix(license): 更新营业执照空状态描述

- 将空状态提示从"暂无合同图片"更改为"暂无营业执照"

src/views/licenseManagement/businessLicense.vue

@@ -15,7 +15,7 @@
       </div>
     </div>
     <div v-else class="empty-contract">
-      <el-empty description="暂无合同图片" :image-size="100" />
+      <el-empty description="暂无营业执照" :image-size="100" />
     </div>
   </div>
 </template>