Unable to bring back old versions of templates

[bryanboza]

When you are working with some template and go to the history tab and try to bring back to an old version of this, we are getting an exception and we are unable to bring back

Stack: https://gist.github.com/bryanboza/93181818e54ed66aef0533030bd2fd83

To Reproduce

• Create a new template
• Edit the template and create a new version
• Go to the history tab and try to bring back the previous version

Expected behavior

The previous version should be rendered.

Desktop (please complete the following information):

Tested on release-22.11 // Docker // FF

Helpful Information

This endpoint is returning 2 entries: System Template and the actual template we want to bring back.
https://demo.dotcms.com/api/v1/templates/?filter=d4d638fe-2ca6-4e6e-a4aa-013d6e2b97fa

Let's use the entry[1] instead of entry[0].

[erickgonzalez]

Not reproducible in 22.03 but in demo (23.01) yes

[AndreyDotcms]

To reproduce this issue take in count the next video:

Screen.Recording.2023-06-01.at.10.31.28.AM.mov

This could be a FE issue, feel free to reach me in case to have some doubts.

[erickgonzalez]

On-Hold: Waiting for UI/UX to check if we should add a button in the template editing to bring back an old template.

[erickgonzalez]

UI/UX will be done in another ticket #28417

[erickgonzalez]

Works as intented! Now it renders the previous version.

[bryanboza]

Ok after this fix, now we are able to render the previous version, but we still unable to bring back to this version, New card related to it here #28417