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/chatbot/dify/dto/dify.dto.ts

@@ -1,4 +1,5 @@
 import { $Enums, TriggerOperator, TriggerType } from '@prisma/client';
+
 import { BaseChatbotDto, BaseChatbotSettingDto } from '../../base-chatbot.dto';
 
 export class DifyDto extends BaseChatbotDto {