Fixed issue with removing the bom entries caused by the multiple collapse rows

src/Form/AdminPages/ProjectAdminForm.php

@@ -21,6 +21,7 @@
 namespace App\Form\AdminPages;
 
 use App\Entity\Base\AbstractNamedDBElement;
+use App\Form\ProjectSystem\ProjectBOMEntryCollectionType;
 use App\Form\ProjectSystem\ProjectBOMEntryType;
 use App\Form\Type\RichTextEditorType;
 use Symfony\Component\Form\Extension\Core\Type\CollectionType;
@@ -41,16 +42,6 @@ class ProjectAdminForm extends BaseEntityAdminForm
             ],
         ]);
 
-        $builder->add('bom_entries', CollectionType::class, [
-            'entry_type' => ProjectBOMEntryType::class,
-            'entry_options' => [
-                'label' => false,
-            ],
-            'allow_add' => true,
-            'allow_delete' => true,
-            'by_reference' => false,
-            'reindex_enable' => true,
-            'label' => false,
-        ]);
+        $builder->add('bom_entries', ProjectBOMEntryCollectionType::class);
     }
 }

src/Form/ProjectSystem/ProjectBOMEntryCollectionType.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Form\ProjectSystem;
+
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\CollectionType;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+class ProjectBOMEntryCollectionType extends AbstractType
+{
+    public function getParent()
+    {
+        return CollectionType::class;
+    }
+
+    public function configureOptions(OptionsResolver $resolver)
+    {
+        $resolver->setDefaults([
+            'entry_type' => ProjectBOMEntryType::class,
+            'entry_options' => [
+                'label' => false,
+            ],
+            'allow_add' => true,
+            'allow_delete' => true,
+            'by_reference' => false,
+            'reindex_enable' => true,
+            'label' => false,
+        ]);
+    }
+
+    public function getBlockPrefix()
+    {
+        return 'project_bom_entry_collection';
+    }
+}