MDL-70316 core: Update the categories in the emoji data generator script

The emoji categories were modified in the newer versions of the
emoji-data library. Therefore, the category list in $categorysortorder
needs to be updated with the correct category names in order to properly
sort the categories in the generated emoji data file.

lib/emoji-data/generate_emoji_data.php

@@ -24,7 +24,8 @@ define('CLI_SCRIPT', true);
 require(__DIR__.'/../../config.php');
 
 $categorysortorder = [
-    'Smileys & People',
+    'Smileys & Emotion',
+    'People & Body',
     'Animals & Nature',
     'Food & Drink',
     'Travel & Places',