Refactor Bedrock service response handling

- Removed the prompt parameter from the handleBedrockResponse method in BedrockService to streamline response processing.
- Updated invokeModel method to reflect this change, enhancing code clarity and maintainability.

Author: jkestering-modus

frontend/src/common/services/ai/bedrock.service.ts

@@ -134,7 +134,7 @@ class BedrockService {
       const responseBody = new TextDecoder().decode(response.body);
       const parsedResponse = JSON.parse(responseBody) as BedrockResponse;
 
-      return this.handleBedrockResponse(parsedResponse, prompt);
+      return this.handleBedrockResponse(parsedResponse);
     } catch (error) {
       console.error('Error invoking Bedrock model:', error);
       throw error;