feat: implement user role status toggle and reset password functionality

- Added toggle functionality for user roles (activate/deactivate) in roles and users pages.
- Introduced a reset password page that validates and updates user passwords via a reset link.
- Enhanced user detail page with edit functionality for user information (display name, email, mobile number).
- Implemented sending reset link feature for users, with appropriate error handling and success notifications.
- Updated API endpoints for user management to support new functionalities.
- Improved UI components for better user experience during status updates and password changes.

Backend/ERPCore/System/Errors/ErrorCodes.cs

@@ -56,6 +56,7 @@ public static class ErrorCodes
     public const string TaxSlabGapInvalid = "TAX_SLAB_GAP_INVALID";
     public const string PayrollPeriodLocked = "PAYROLL_PERIOD_LOCKED";
     public const string EmployeeHasPayrollHistory = "EMPLOYEE_HAS_PAYROLL_HISTORY";
+    public const string DefaultBranchProtected = "DEFAULT_BRANCH_PROTECTED";
 
     // Manufacturing / Production Lines (docs/30-BACKEND-PHASE2.md §D.4)
     public const string TemplateInUse = "TEMPLATE_IN_USE";