[LYN-7530] Fix matchmaking request type typo and add more matchmaking notifications (#4774)

* [LYN-7530] Fix matchmaking request type typo and add more matchmaking notifications

Signed-off-by: onecent1101 <liug@amazon.com>

Gems/AWSGameLift/Code/AWSGameLiftServer/Include/Request/AWSGameLiftServerRequestBus.h

@@ -5,7 +5,7 @@
  * SPDX-License-Identifier: Apache-2.0 OR MIT
  *
  */
- 
+
 #pragma once
 
 #include <AzCore/EBus/EBus.h>
@@ -45,7 +45,7 @@ namespace AWSGameLift
         virtual bool StopMatchBackfill(const AZStd::string& ticketId) = 0;
     };
 
-    // IAWSGameLiftServerRequests EBus wrapper for scripting
+    // IAWSGameLiftServerRequests EBus wrapper
     class AWSGameLiftServerRequests
         : public AZ::EBusTraits
     {