Restore the UTF-8 byte order mark on the profile and modals stylesheet (#5733)

The group DM change dropped the BOM that file had before.

public/css/style-profile-servers-modals.css

@@ -1,4 +1,4 @@
-/* Haven core styles, part 6 of 16: profile editing, the server bar, modals, pictures, the lightbox and context menus. Loaded in order by style.css; the order matters. */
+/* Haven core styles, part 6 of 16: profile editing, the server bar, modals, pictures, the lightbox and context menus. Loaded in order by style.css; the order matters. */
 /* ── Edit Profile Modal ──────────────────────────── */
 .edit-profile-textarea {
   width: 100%;