chore: update document approval workflow and bug fixes

Modules/MasterData/app/Models/MaterialComponent.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Modules\MasterData\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class MaterialComponent extends Model
+{
+    protected $table = 'material_components';
+
+    protected $fillable = [
+        'parent_id',
+        'component_id',
+        'quantity',
+    ];
+
+    public function parent(): BelongsTo
+    {
+        return $this->belongsTo(Material::class, 'parent_id');
+    }
+
+    public function component(): BelongsTo
+    {
+        return $this->belongsTo(Material::class, 'component_id');
+    }
+}