Have next and previous functions disabled when their actions are disabled in the Wizard component

[whoisnegrello]

Description

It's a small fix to have the next and previous functions disabled when their actions are disabled in the Wizard component

Visual changes

Functional changes

• Code style has been fixed by running the composer cs command.
• Changes have been tested to not break existing functionality.
• Documentation is up-to-date.

[danharrin]

Please save the $previousAction and $nextAction into variables for reuse. Then wrap the x-on:click with an @if checking $previousAction->isDisabled() etc. Then you can remove the changes to the JavaScript.

[danharrin]

Thanks