Gets a list of all removed widget elements.
The listRemovedElements() function returns a Promise that resolves to a list of selectors of removed elements that are part of the widget with which the panel is associated, for example: [‘title’, ‘description’]. To use this function on an inner (nested) widget, use getScopedWixEditor().
This method doesn’t return any custom errors, but may return standard errors. Learn more about standard Wix errors.