change type of number field on user input so user can be view original wrong value

jsonform/gadget_json_generated_form_child.js

@@ -807,13 +807,14 @@
           if (default_value === undefined && typeof json_field.default === "number") {
             input.value = json_field.default;
           }
-          input.type = "number";
           input.setAttribute("data-json-type", type);
-          type_changed = default_value !== undefined &&
-                         typeof default_value !== "number";
+          if (default_value === undefined || default_value === null ||
+              typeof default_value === "number") {
+            input.type = "number";
+          }
           if (type === "integer") {
             input.setAttribute("step", "1");
-            if (default_value !== undefined &&
+            if (typeof default_value === "number" &&
                 parseInt(default_value, 10) !== default_value) {
               // original json_document contain float schema
               // limit integer we can save original document
@@ -1709,6 +1710,12 @@
           if (input.hasAttribute('data-origin-value')) {
             input.removeAttribute('data-origin-value');
           }
+          if (!input.hasAttribute("type")) {
+            if (["integer", "number"]
+                  .indexOf(input.getAttribute('data-json-type')) >= 0) {
+              input.type = "number";
+            }
+          }
           changed = true;
         }
       }