Update ApplySegmentGlobals.php (#5)

Ensure we are processing the $next callable as expected from middleware.

src/Middleware/ApplySegmentGlobals.php

@@ -24,6 +24,8 @@ public function handle(Request $request, Closure $next, $guard = null)
          * Build some nice default context based on the current request.
          */
         Segment::setGlobalContext($this->getContext($request));
+
+        return $next($request);
     }
 
     private function getContext(Request $request): array