normalization: The ID was not attributed to the correct input.

There is a button for normalizing external data and a button for normalizing clones.
An ID is attributed to both of them. This fixes the browser functional testing

browser/js/list.js

@@ -88,7 +88,7 @@ List.prototype = {
         var div_normalize = document.createElement("div");
         div_normalize.appendChild(document.createElement("span").appendChild(document.createTextNode("normalize to: ")));
         this.data_norm_input = document.createElement("input");
-        this.data_norm_input.id = "normalized_size";
+        this.data_norm_input.id = "normalized_data_size";
         this.data_norm_input.step = '0.0001';
         this.data_norm_input.type = 'number';
         div_normalize.appendChild(document.createElement("span").appendChild(this.data_norm_input));

browser/js/model.js

@@ -1648,6 +1648,7 @@ Model.prototype = {
 
         
         this.norm_input = document.createElement('input');
+        this.norm_input.id = "normalized_size";
         this.norm_input.type = "number";
         this.norm_input.step = "0.0001"