修复分组设置生成检测池后下一步按钮不刷新

Pool 属性 setter 只做 SetProperty，未触发 UpdateNavigationState，
而生成检测池时 CurrentStage 赋值前后相同不会触发导航状态刷新，
导致分组变蓝后 CanGoNext 停留在旧值，下一步按钮无法点击。

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

XplorePlane/ViewModels/Inspection/TaskWizard/InspectionTaskWizardViewModel.cs

@@ -121,7 +121,11 @@ namespace XplorePlane.ViewModels.Inspection.TaskWizard
         public InspectionPool? Pool
         {
             get => _pool;
-            set => SetProperty(ref _pool, value);
+            set
+            {
+                if (SetProperty(ref _pool, value))
+                    UpdateNavigationState();
+            }
         }
 
         private CalibrationResult? _taskCalibrationResult;
@@ -359,12 +363,12 @@ namespace XplorePlane.ViewModels.Inspection.TaskWizard
 
         public DelegateCommand LoadWorkpieceCommand { get; }
         public DelegateCommand ApplyPipelineCommand { get; }
-        public DelegateCommand RunBgaDetectionCommand { get; }
-        public DelegateCommand GeneratePoolCommand { get; }
-        public DelegateCommand ApplyBubbleParametersCommand { get; }
-        public DelegateCommand RunCalibrationCommand { get; }
-        public DelegateCommand StartScanningCommand { get; }
-        public DelegateCommand SavePlanCommand { get; }
+        public DelegateCommand RunBgaDetectionCommand { get; } //bga识别
+        public DelegateCommand GeneratePoolCommand { get; } //生成检测池
+        public DelegateCommand ApplyBubbleParametersCommand { get; } //应用气孔参数
+        public DelegateCommand RunCalibrationCommand { get; } //校准
+        public DelegateCommand StartScanningCommand { get; } //开始扫描
+        public DelegateCommand SavePlanCommand { get; } //保存计划
         public DelegateCommand GoNextCommand { get; }
         public DelegateCommand GoBackCommand { get; }
         public DelegateCommand CloseWizardCommand { get; }