AudioBufferProcessor: treat all streams as intermittent

This fixes an issue with STTMuteFilter that prevents user audio to be pushed
downstream.

CHANGELOG.md

@@ -37,6 +37,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+- Fixed an issue that was causing user and bot speech to not be synchronized
+  during recordings.
+
 - Fixed an issue where voice settings weren't applied to ElevenLabsTTSService.
 
 - Fixed an issue with `GroqTTSService` where it was not properly parsing the
@@ -47,6 +50,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Fixed an issue where `GoogleLLMService`'s TTFB value was incorrect.
 
+### Deprecated
+
+- `AudioBufferProcessor` parameter `user_continuos_stream` is deprecated.
+
 ### Other
 
 - Rename `14e-function-calling-gemini.py` to `14e-function-calling-google.py`.