过程反馈 上传图片字段，限制只能上传图片，不能上传图片以外的

src/views/workOrder/workOrderPool/detailModule/workOrderInfo/buttons/processFeedback.vue

@@ -112,7 +112,7 @@ export default {
         },
         render: (h, { props, onInput }) => {
           return (
-            <ImageUpload fileList={this.formData.imgSrc} limit={6} />
+            <ImageUpload fileList={this.formData.imgSrc} limit={6} fileType={["image"]}/>
           )
         }
       }]