Various code cleanup.

app/Support/Authentication/RemoteUserGuard.php

@@ -47,6 +47,7 @@ class RemoteUserGuard implements Guard
      *
      * @return void
      */
+    // @phpstan-ignore-next-line
     public function __construct(UserProvider $provider, Application $app) // @phpstan-ignore-line
     {
         $this->application = $app;

app/Support/Preferences.php

@@ -275,6 +275,9 @@ class Preferences
         if (null === $value) {
             return new Preference;
         }
+        if(null === $pref) {
+            $pref = new Preference;
+        }
         $pref->data = $value;
         $pref->save();
         Cache::forever($fullName, $pref);