refactor(openai): improve service initialization and streamline audio transcription handling

- Updated OpenaiService and related classes to enhance the initialization process by ensuring the correct order of parameters.
- Simplified audio message handling by consolidating transcription logic and improving error handling.
- Refactored the OpenaiController to utilize the new structure, ensuring better integration with the base chatbot framework.
- Enhanced logging for better traceability during audio processing and API interactions.

src/api/integrations/channel/evolution/evolution.channel.service.ts

@@ -165,11 +165,7 @@ export class EvolutionStartupService extends ChannelStartupService {
             openAiDefaultSettings.speechToText &&
             received?.message?.audioMessage
           ) {
-            messageRaw.message.speechToText = await this.openaiService.speechToText(
-              openAiDefaultSettings.OpenaiCreds,
-              received,
-              this.client.updateMediaMessage,
-            );
+            messageRaw.message.speechToText = await this.openaiService.speechToText(received);
           }
         }