[CONFCLOUD-65582] Excerpt Include Macro shows error "Unsupported Content" in published mode

Excerpt Include Macro shows error "Unsupported Content" in published mode. In edit mode, it works fine and shows the content of macro as expected.

Open a page in edit mode(new editor) and use excerpt include macro using the page which already has excerpt macro on it.
The content of the excerpt macro will show up in the excerpt include macro in edit mode.

You should be able to see the content of the excerpt macro on the excerpt include macro in view mode/published mode.

You will see an error: Unsupported Content in view mode/published mode.
Note: Attached screenshot of the error in Published mode.

No work has yet been logged on this issue.