Refactor of History module (#184)

Co-authored-by: widlam <mikolaj.widla@gmail.com>
Co-authored-by: Adam Bem <adam.bem@zoho.eu>
Reviewed-on: #184
Reviewed-by: Adam Bem <bema@noreply.example.com>
Co-authored-by: Mikolaj Widla <widlam@noreply.example.com>
Co-committed-by: Mikolaj Widla <widlam@noreply.example.com>

Frontend/assets/scripts/tools/mock/datatransfer.js

@@ -470,7 +470,7 @@ function selectMessage(id){
     $('.tile[tileid="'+id+'"]').addClass("active");
     
     initializeHistory();
-    refreshHeaderTable(innerHTML);
+    refreshHeaderTable(document.innerHTML);
 }