Added length limit for data in UUID field (#127)

Co-authored-by: Adam Bem <adam.bem@zoho.eu>
Reviewed-on: #127

Backend/mocked-services/src/main/resources/static/js/datatransfer.js

@@ -281,6 +281,8 @@ async function fetchUUIDCheck(givenUUID , strategy){
 
 function checkUUIDChars(uuid) {
     uuid.replace(/ /g,'')
+    if (uuid.length > 128)
+        return "invalid";
     console.log("UUID in check: " + uuid);
     const regex = new RegExp("^[A-z0-9-]+$");