Add option to prevent saving models to the registry when calling ->save()

src/GenericModel.php

@@ -625,15 +625,16 @@ public function reload(): static
     /**
      * Save the model changes
      *
+     * @param bool $saveToRegistry save the model to the registry (if enabled)
      * @return bool
      */
-    public function save(): bool
+    public function save(bool $saveToRegistry = true): bool
     {
         // new model, generate id and save in registry
         if (!$this->getId()) {
             $this->generateId();
 
-            if (static::$registry) {
+            if (static::$registry && $saveToRegistry) {
                 ModelRegistry::getInstance()->save($this);
             }
         }

test/tests/TestDriverTest.php

@@ -755,6 +755,25 @@ public function testGetWithRegistry(): void
         $this->assertSame($item2, ModelRegistry::getInstance()->get(TestModel::class, $id));
     }
 
+    public function testSaveWithRegistry(): void
+    {
+        $item = new TestModel();
+        $this->assertNull($item->getId());
+
+        $item->save(false);
+        $this->assertNull(ModelRegistry::getInstance()->get(TestModel::class, $item->id));
+
+        // Models are only added to the registry when they are saved for the first time
+        $item->save();
+        $this->assertNull(ModelRegistry::getInstance()->get(TestModel::class, $item->id));
+
+        // Reset id to create a new model
+        $item->setId(null);
+
+        $item->save();
+        $this->assertSame($item, ModelRegistry::getInstance()->get(TestModel::class, $item->id));
+    }
+
     protected function tearDown(): void
     {
         TestModel::clearTestEntries();