fix : 需求上报部分字段默认null

src/views/project-demand/summary/add.vue

@@ -462,10 +462,10 @@ const showSingleTable = ref(false)
 const otherFileList = ref([])
 const singleList = ref([])
 const formData = ref({
-  isWithinBudget: false,
+  isWithinBudget: null,
-  isSpecialFund: false,
+  isSpecialFund: null,
-  industryUniversityResearch: '1',
+  industryUniversityResearch: null,
-  governmentDeclaration: '1',
+  governmentDeclaration: null,
   other: '无',
   resultForm: []
 })