Fix incorrect API definitions

app/Http/Controllers/Api/Client/ActivityLogController.php

@@ -20,6 +20,7 @@ class ActivityLogController extends ClientApiController
                 AllowedFilter::exact('ip'),
                 AllowedFilter::partial('event'),
             ])
+            ->allowedSorts(['timestamp'])
             ->paginate(min($request->query('per_page', 50), 100))
             ->appends($request->query());
 

app/Models/ActivityLog.php

@@ -73,7 +73,12 @@ class ActivityLog extends Model
 
     public function actor(): MorphTo
     {
-        return $this->morphTo()->withTrashed();
+        $morph = $this->morphTo();
+        if (method_exists($morph, 'withTrashed')) {
+            return $morph->withTrashed();
+        }
+
+        return $morph;
     }
 
     public function subjects()

app/Models/ActivityLogSubject.php

@@ -35,6 +35,11 @@ class ActivityLogSubject extends Pivot
 
     public function subject()
     {
-        return $this->morphTo()->withTrashed();
+        $morph = $this->morphTo();
+        if (method_exists($morph, 'withTrashed')) {
+            return $morph->withTrashed();
+        }
+
+        return $morph;
     }
 }