[PTRun]Add hotkey to the show telemetry event (#36869)

src/modules/launcher/PowerLauncher.Telemetry/Events/LauncherShowEvent.cs

@@ -12,6 +12,13 @@ namespace Microsoft.PowerLauncher.Telemetry
     [EventData]
     public class LauncherShowEvent : EventBase, IEvent
     {
+        public LauncherShowEvent(string hotkey)
+        {
+            Hotkey = hotkey;
+        }
+
+        public string Hotkey { get; private set; }
+
         public PartA_PrivTags PartA_PrivTags => PartA_PrivTags.ProductAndServiceUsage;
     }
 }