#2081 Changed recieptFiles part of RR Form yup schema to not required in dev

Author: sharonyang16

src/frontend/src/pages/FinancePage/ReimbursementRequestForm/ReimbursementRequestForm.tsx

@@ -67,11 +67,14 @@ const schema = yup.object().shape({
     )
     .required('reimbursement products required')
     .min(1, 'At least one Reimbursement Product is required'),
-  receiptFiles: yup
-    .array()
-    .required('receipt files required')
-    .min(1, 'At least one Receipt is required')
-    .max(7, 'At most 7 Receipts are allowed')
+  receiptFiles:
+    import.meta.env.MODE === 'development'
+      ? yup.array()
+      : yup
+          .array()
+          .required('receipt files required')
+          .min(1, 'At least one Receipt is required')
+          .max(7, 'At most 7 Receipts are allowed')
 });
 
 const ReimbursementRequestForm: React.FC<ReimbursementRequestFormProps> = ({