fix head fa access issue

app/Controllers/View/FilesController.php

@@ -522,7 +522,7 @@ class FilesController extends Controller
             $roles[] = $activeRole;
         }
 
-        foreach (['administrator', 'administrative staff', 'principal', 'teacher', 'teacher_assistant'] as $role) {
+        foreach (['administrator', 'administrative staff', 'principal', 'teacher', 'teacher_assistant', 'head fa', 'head of fa', 'head_of_fa', 'financial_contributor'] as $role) {
             if (in_array($role, $roles, true)) {
                 return true;
             }

app/Controllers/View/InvoiceController.php

@@ -2293,6 +2293,10 @@ private function getGradeLevel($grade): array
             'administrative staff',
             'principal',
             'admin',
+            'head fa',
+            'head of fa',
+            'head_of_fa',
+            'financial_contributor',
         ]);
 
         if ($userId <= 0 || (! $isStaff && $userId !== $parentId)) {

app/Controllers/View/PaymentController.php

@@ -1685,7 +1685,7 @@ class PaymentController extends ResourceController
             $roles[] = $activeRole;
         }
 
-        $staffRoles = ['administrator', 'administrative staff', 'principal', 'teacher', 'teacher_assistant'];
+        $staffRoles = ['administrator', 'administrative staff', 'principal', 'teacher', 'teacher_assistant', 'head fa', 'head of fa', 'head_of_fa', 'financial_contributor'];
         foreach ($staffRoles as $role) {
             if (in_array($role, $roles, true)) {
                 return true;

app/Controllers/View/RefundController.php

@@ -1414,7 +1414,7 @@ class RefundController extends BaseController
             $roles[] = $activeRole;
         }
 
-        foreach (['administrator', 'administrative staff', 'principal', 'teacher', 'teacher_assistant'] as $role) {
+        foreach (['administrator', 'administrative staff', 'principal', 'teacher', 'teacher_assistant', 'head fa', 'head of fa', 'head_of_fa', 'financial_contributor'] as $role) {
             if (in_array($role, $roles, true)) {
                 return true;
             }