Change the order of actions in the WordPress theme (PHP)

Good afternoon. Theme on CMS WordPress, you need to change the order of actions in the theme.

Now the procedure is:
Button "Add ad > fill out the form > the Continue button > popup with the Login form and Registration > the Continue button > the Publish button".

You need to change the order of actions:
Button "Add ad > popup with the Login form and Registration > fill out the form > the Publish button".

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