Python: fix: consistent response_id and metadata forwarding in A2AAgent#5288

LEDazzio01 wants to merge 2 commits intomicrosoft:mainmicrosoft/agent-framework:mainfrom

LEDazzio01:fix/a2a-response-id-and-metadataLEDazzio01/agent-framework:fix/a2a-response-id-and-metadataCopy head branch name to clipboard