For oneShot Fetchers don't load the data if rerun

* Closes: #34

src/member/MemberEditer.js

@@ -28,6 +28,7 @@ function MemberEditer() {
     if (!mem) {
       setError("Numero de socia invalido");
     } else {
+      if (member.num == "") {
         setMember({
           num: mem.num,
           name: mem.name,
@@ -36,6 +37,7 @@ function MemberEditer() {
           role: mem.role,
         });
       }
+    }
   };
 
   const handleClose = () => setShowDelete(false);

src/product/AnnualReport.js

@@ -47,8 +47,10 @@ function AnnualReport() {
   const [data, setData] = useState([]);
 
   const setTransactions = (transactions) => {
+    if (data.length == 0) {
       const d = transactionsPerMonth(transactions);
       setData(d);
+    }
   };
 
   let dates = Object.keys(data);

src/product/ShowProduct.js

@@ -22,8 +22,10 @@ function ShowProduct() {
   const [redirect, setRedirect] = useState(false);
 
   const setProduct = (p) => {
+    if (p.price == 0) {
       _setProduct(p);
       setName(p.name);
+    }
   };
 
   if (redirect) {