fix new client from edit client page

Author: Laoujin

frontend/src/components/client/client-helpers.ts

@@ -72,12 +72,6 @@ export const useClientState = (clientId: string) => {
   const [client, setSimpleClient] = useState(getNewClientState(storeClient));
   const clientAlreadyExists = useClientAlreadyExists(client);
 
-  useEffect(() => {
-    if (storeClient) {
-      setClient(getNewClientState(storeClient)!);
-    }
-  }, [storeClient]);
-
   const setClient = (newClient: ClientModel): void => {
     if (newClient.country && client?.country !== newClient.country && !client?.defaultInvoiceLines.length && newClient.country !== 'BE') {
       let btwRemark: string;
@@ -96,6 +90,14 @@ export const useClientState = (clientId: string) => {
     setSimpleClient(newClient);
   };
 
+  useEffect(() => {
+    if (storeClient) {
+      setClient(getNewClientState(storeClient)!);
+    } else {
+      setSimpleClient(null);
+    }
+  }, [storeClient]);
+
   return {
     client,
     setClient,