[Settings V2] Upated Fancy Zone and Shortcut Guid default values. (#2786)

* upated Fancy Zone and Shortcut Guid default values.

* upated fz tests

src/core/Microsoft.PowerToys.Settings.UI.Lib/FancyZonesSettingsIPCMessage.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace Microsoft.PowerToys.Settings.UI.Lib
+{
+    public class FancyZonesSettingsIPCMessage
+    {
+        [JsonPropertyName("powertoys")]
+        public SndFancyZonesSettings Powertoys { get; set; }
+
+        public FancyZonesSettingsIPCMessage()
+        {
+        }
+
+        public FancyZonesSettingsIPCMessage(SndFancyZonesSettings settings)
+        {
+            this.Powertoys = settings;
+        }
+
+        public string ToJsonString()
+        {
+            return JsonSerializer.Serialize(this);
+        }
+    }
+}