Enhance: Added close on outside click flag & updated save post panel

[Mayank-Tripathi32]

Attempt to resolve #67313

What?

This PR adds a flag to the useDialog component to disable the behavior of closing the dialog when clicking outside of it. It also updates the relevant save_post code to prevent closing the dialog when clicked in specific areas.

Why?

The issue occurs when clicking on the 'padding area' of the Entity saved modal dialog, causing the dialog to close unexpectedly.

Animated GIF to illustrate:

How?

A closeOnOutsideClick flag was added to the useDialog component. By default, this behavior is set to true, meaning the dialog will close when clicking outside. The save_post file has been updated to disable this behavior for the issue mentioned above.

Testing Instructions

• Go to the Site editor.
• Make a simple change to a global style, e.g. change a color.
• Reopen the Navigation panel by clicking 'Open Navigation' at the top left of the screen.
• Click any item in the navigation other than 'Styles' e.g. click 'Pages' or 'Templates'.
• At this point, a blue button at the bottom of the Navigation panel appears, labeled 'Review 1 change...'

• Click the button: the modal dialog to save entities opens.
• Click the padding area of the modal dialog.
• Observe the modal dialog closes.
• Alternatively preview a block theme from the WP admin > Appearance > any block theme > Live Preview.
• Click the blue button labeled 'Activate {theme name}' at the bottom of hte Navigation panel: the modal dialog to save entities opens.
• Click the padding area of the modal dialog.
• Observe the modal dialog closes.

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[youknowriad]

Thanks for attempting a fix. That said, I think the issue needs to be solved in a different way.

The EntitiesSavedState component is shared between the "editor" package's panel and the modal in the "site editor". That said what's being shared is not the correct thing.

You can see that EntitiesSavedStatesExtensible is used in both and that it includes useDialog hook. I think the useDialog hook and the whole dialog behavior needs to be moved outside the EntitiesSavedStatesExtensible into a dedicated wrapper that is only used in the "editor" package. That way for the site editor the dialog behavior is implemented by the modal itself while the editor package has its dedicated dialog.

[Mayank-Tripathi32]

@youknowriad

Thank you for the clarification. Would it be all right for me to work on implementing the wrapper? I believe it should be straightforward to adjust the behavior, and I can open a new PR with the required changes.

[youknowriad]

Sure. Feel free to give it a try. Thanks for your help.

[Mayank-Tripathi32]

Moved to #67352