Fix paste shortcut

ui/index.html

@@ -77,8 +77,6 @@
             document.querySelector("#preview").src = undefined;
           }
         }
-
-
       })
 
       function uploadFunc(ev) {
@@ -113,9 +111,8 @@
 
       document.querySelector('#upload').addEventListener('submit', uploadFunc)
       document.addEventListener('keydown', ev => {
-        ev.preventDefault();
-
         if (ev.key === 'Enter' && upload) {
+          ev.preventDefault();
           console.log('uploading')
           uploadFunc();
         }