POC for laravel/framework#31778 cr

Author: Pantea Marius-ciclistu

illuminate/Database/Eloquent/Concerns/HasAttributes.php

@@ -2131,10 +2131,18 @@ public function getDirty()
                 $this->tmpDirtyIfAttributesAreSyncedFromCashedCasts;
         }
 
-        $attributes = [] !== $attributes ? $attributes : \array_keys($this->attributes);
-
         $dirty = [];
 
+        if ([] === $attributes) {
+            foreach ($this->getAttributes() as $key => $value) {
+                if (!$this->originalIsEquivalent($key)) {
+                    $dirty[$key] = $value;
+                }
+            }
+
+            return $dirty;
+        }
+
         foreach ($attributes as $key) {
             /** This will call $this->mergeAttributesFromCachedCasts($key) before the if condition */
             $value = $this->getAttributeFromArray($key);