Dev: Fix Shortcode-output of current page-content, instead of shortcode-id-page

First of all thank you for this great plugin! : )
I am massively using the Shortcodes of the Plugins on diferrent pages.
When I updated my System and Plugin, I ran into a problem with the staff-directory-Shortcode and all the sub-Shortcodes as bio_shortcode, photo_url_shortcode.

The Shortcodes did not show the content/post-data of the page given by the ID-Param anymore, but of the page the Shortcode was embedded (i.e bio/the content, featured image and so on).

This is due to the Usage of native Content-Accessing-Functions like get_the_content in the bio-shortcode function which refers to the currently set-up post-data.

So I had to add setup_postdata/the_post directly after the custom wp_query in plugins/staff-directory/classes/staff-directory-shortcode.php to “enable” the native “content-accessing-functions”:

Approximately line 223:

//Store in class scope so we can access query from staff_loop shortcode
Staff_Directory_Shortcode::$staff_query = new WP_Query( $query_args );

$output = '';
if ( Staff_Directory_Shortcode::$staff_query->have_posts() ) {
     Staff_Directory_Shortcode::$staff_query->the_post(); // !!!!!!!!!!!!!!!
     $output = self::retrieve_template_html($params['template']);
}

wp_reset_postdata();  // !!
wp_reset_query();

…and to finish what we’ve started: after the wp_query-processing there is actually no need to reset the query with wp_reset_query(). We just need to set the post data back up with wp_reset_postdata().

I hope this might help others who ran into this a little annoying issue like me. : )