Template Upload Issue

Only the sketch of the first template upload is previewed, even after uploading new templates with different template names until we restart the server.
Solution :- To avoid the use of back button of the browser, image must be previewed on the same page.

Reproduce the template upload flow described in the issue and inspect the upload and preview entry points. Done means each newly uploaded template, including templates with different names, shows its image preview on the same page without using the browser back button or restarting the server.

Written by the indexing model from the issue text.