added subroles and dpi association fixed all pages and migration

public/userarea/production_dashboard.php

@@ -155,12 +155,19 @@ $dashboardSections = [
         'open' => false,
         'buttons' => [
             [
-                'label' => 'Employees',
+                'label' => 'Dipendenti',
                 'icon' => '👥',
                 'class' => 'btn-employees',
                 'url' => 'employees.php',
                 'permission' => 'hr.employees.view',
             ],
+            [
+                'label' => 'Mansioni',
+                'icon' => '🧩',
+                'class' => 'btn-setup',
+                'url' => 'job-roles.php',
+                'permission' => 'hr.employees.view',
+            ],
             [
                 'label' => 'Departments',
                 'icon' => '🏢',
@@ -169,14 +176,14 @@ $dashboardSections = [
                 'permission' => 'hr.departments.view',
             ],
             [
-                'label' => 'Corsi Formazione',
-                'icon' => '📚',
+                'label' => 'DPI',
+                'icon' => '🦺',
                 'class' => 'btn-setup',
-                'url' => 'training_topics.php',
-                'permission' => 'hr.training_topics.view',
+                'url' => 'ppe-items.php',
+                'permission' => 'hr.employees.view',
             ],
             [
-                'label' => 'Storico Formazione',
+                'label' => 'Gestione Formazione',
                 'icon' => '🎓',
                 'class' => 'btn-setup',
                 'url' => 'trainings.php',