优化更新代码，添加界面功能并整合

WPFluent/Controls/TimePicker/TimeClockIdentifier.cs

@@ -0,0 +1,14 @@
+
+
+
+// ReSharper disable once CheckNamespace
+namespace WPFluent.Controls;
+
+/// <summary>
+/// Clock system.
+/// </summary>
+public enum TimeClockIdentifier
+{
+    Clock12Hour,
+    Clock24Hour,
+}