Fixed bug with category not bein remembered

Frontend/assets/scripts/frame.js

@@ -87,8 +87,18 @@ function changeActiveTools(activeCategoryButton) {
 function changeTool(tool) {
     const url = tools.get(tool);
     localStorage.setItem("lastPage", tool);
-    document.getElementById("iframe").src = url;
+    
+    switch (tool) { // XML category is default.
+        case "jsonform":
+            changeActiveTools('JSON');
+            break;
+        case "mock":
+            changeActiveTools('REST');
+            break;
+                
+    }
     document.location.search = tool;
+    document.getElementById("iframe").src = url;
 }
 
 /**
@@ -104,15 +114,5 @@ function loadLastPage() {
     if (lastPage == null) {
         lastPage = "xpath";
     }
-
-    switch (lastPage) { // XML category is default.
-        case "jsonform":
-            changeActiveTools('JSON');
-            break;
-        case "mock":
-            changeActiveTools('REST');
-            break;
-                    
-    }
-    document.getElementById("iframe").src = tools.get(lastPage);
+    changeTool(lastPage);
 }