Missing space between “Not Activated” and theme info

In the Themes page an inactive parent theme is listed as:
Not ActivatedThis is used as a parent theme by: Beans child

Note the last of space between “Activated” and “This”
Screenshot: https://imgur.com/pFgUFxv

Here is a patch to fix this:
https://pastebin.com/Wd9JjR0i

--- inc/autoload/class-add-theme-list.orig.php  2018-02-22 11:27:20.000000000 +0000
+++ inc/autoload/class-add-theme-list.php   2018-04-26 10:54:39.634099900 +0100
@@ -180,7 +180,7 @@
 
        if ( ! $active_on_blogs ) {
            // Translators: The theme is not activated, the string is for each plugin possible.
-           $output .= __( '<nobr>Not Activated</nobr>', 'multisite-enhancements' );
+           $output .= __( '<nobr>Not Activated</nobr> ', 'multisite-enhancements' );
            $output .= $child_context;
            $output .= $parent_context;
        } else {

If you don’t want to require translators to redo the string you could add the space outside the translatable text e.g.
$output .= __( ‘<nobr>Not Activated</nobr>’, ‘multisite-enhancements’ ) . ‘ ‘;