old_contents: <script>
  function myMap() {
      console.log("ahahha");
  var mapProp= {
      center:new google.maps.LatLng(51.508742,-0.120850),
      zoom:5,
  };
  var map=new google.maps.Map(document.getElementById("googleMap"),mapProp);
  }
  </script>
  
  <script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyBu-916DdpKAjTmJNIgngS6HL_kDIKU0aU&callback=myMap"></script>
  
  
  
  
  
  
new_contents: <script>
  function myMap() {
      console.log("ahahha");
  var mapProp= {
      center:new google.maps.LatLng(51.508742,-0.120850),
      zoom:5,
  };
  var map=new google.maps.Map(document.getElementById("googleMap"),mapProp);
  }
  </script>
  
  <script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyBgWggS-wQkqrkzS2AZY60PhgTn1qxeli8 &callback=myMap"></script>
  
  
  
  
  
  
subject: Update popup-query.js