Twenty Nineteen: Add missing icon to Edit link for pages.

Props mukesh27, ianbelanger, ounziw.
Fixes #47332.

git-svn-id: https://develop.svn.wordpress.org/trunk@45397 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-content/themes/twentynineteen/template-parts/content/content-page.php

@@ -47,7 +47,7 @@
 					),
 					get_the_title()
 				),
-				'<span class="edit-link">',
+				'<span class="edit-link">' . twentynineteen_get_icon_svg( 'edit', 16 ),
 				'</span>'
 			);
 			?>