🚨 **Critical XML Fix**
Fixed ValidationError: الحقل department_id غير موجود في النموذج hr.department
## 🔧 **Problem Fixed**
- Removed invalid department_id field from hr.department form view
- Removed department_id field and grouping from hr.department search view
- hr.department cannot reference itself via department_id field
## 📁 **Files Modified**
- odex25_hr/hr_base/views/hr_base_view.xml: Removed invalid department_id references
## ✅ **Impact**
- Fixes XML validation error during module upgrade
- Maintains proper model field relationships
- Allows successful hr_base module loading
## 🔗 **Related**
Fixes error in PR #5412 - Department display enhancement