chore: Weiterleitungs-Icons, Mobile-Nav-Fix, Aufräumen

- Forwarding: neue Icons Glocke und Einstellungen, SVG-Syntax korrigiert
- global.css: Hint-Badge in mobiler Navigation korrekt positioniert
- text_constants.inc.php entfernt

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

layout/frontend/b2c/dist/css/global.css

@@ -558,6 +558,10 @@ span.hint {
   flex-shrink: 0;
 }
 
+nav span.hint {
+  left: -0;
+}
+
 .profil_banner.certificate {
   width: 33.33%;
   float: left;
@@ -9187,6 +9191,13 @@ a:not([class]) {
     text-decoration-skip-ink: auto;
 }
 
+.mobile_navigation_container .hint {
+  position: absolute;
+  right: 15px;
+  top: -5px;
+  left: unset;
+}
+
 .mobile_navigation svg {
     width: 19px;
     height: 19px;