Add *none flag to request_processor to fix unknown request type error

The processor must have a request type flag (*none, *authorize, *radauth, etc.)
not just *log. Without it, reqType stays empty and hits the default switch case
returning "unknown request type: <>".

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

cgrates.json

@@ -84,7 +84,7 @@
 		{
 			"id": "TestAuthSimple",
 			"filters": ["*string:~*vars.*radReqType:*radAuth"],
-			"flags": ["*log"],
+			"flags": ["*none", "*log"],
 			"request_fields": [],
 			"reply_fields": [
 				{"tag": "Code", "path": "*rep.*radReplyCode", "type": "*constant", "value": "AccessAccept"},