Implement RBAC migration and role management enhancements

- Added AJAX functionality to fetch role permissions for copying.
- Introduced system role management with permission checks for updates.
- Implemented role deletion with confirmation modal and backend handling.
- Enhanced user role assignment migration scripts to transition from legacy profiles to RBAC.
- Created SQL migration scripts for user roles and permissions mapping.
- Updated user interface to support new role management features including copy permissions and system role indicators.

login.php

@@ -78,13 +78,13 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
 
     //Decode Payload
     if (!empty($responses)){$responses = json_decode($responses,true);}else{$responses = '400';}   
-      
-      if ($responses === 'NOK'){
+
+      if ($responses === 'NOK' || $responses === 'NULL' || $responses === 'NULL '){
           $retry++;
           $password_err = $password_err_1 ?? 'Not authorized, please retry';
         } elseif ($responses == '1'){
           $password_err = $password_err_2 ?? 'Too many login attempts. User blocked, please contact your administrator';
-        } else {
+        } elseif (!empty($responses['userkey']) && ctype_xdigit($responses['userkey'])) {
         // Start a new session
         session_start();
       
@@ -93,14 +93,13 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST') {
         $_SESSION['authorization'] = $responses;
      
         $language_user = trim($_SESSION['authorization']['language']) ?? 'US';
-        if($responses->profile == 'firmwaretool,products_software,application'){
-          header('location: index.php?page=firmwaretool');
-          exit();
 
-        } else {
-          header('location: index.php?language='.$language_user.'');
-          exit();
-        }
+        header('location: index.php?language='.$language_user.'');
+        exit();
+    
+      } else {
+        $retry++;
+        $password_err = $password_err_1 ?? 'Not authorized, please retry';
       }
   }
   else {