fix: realtime计费

(cherry picked from commit fdfea8726c6d86d3844af1ac18d7b3df908f26a7)

relay/channel/openai/relay-openai.go

@@ -427,7 +427,7 @@ func OpenaiRealtimeHandler(c *gin.Context, info *relaycommon.RelayInfo) (*dto.Op
 				}
 				common.LogInfo(c, fmt.Sprintf("type: %s, textToken: %d, audioToken: %d", realtimeEvent.Type, textToken, audioToken))
 				localUsage.TotalTokens += textToken + audioToken
-				localUsage.InputTokens += textToken
+				localUsage.InputTokens += textToken + audioToken
 				localUsage.InputTokenDetails.TextTokens += textToken
 				localUsage.InputTokenDetails.AudioTokens += audioToken