Text to speech (#5062)

* Add tts UI

* Add tts backend

* Add description to eleven labs credentials

* Fix issue with fetching eleven labs voices

* Fix issue with text to speech tab not showing correct saved voice

* Add option to autoplay tts audio after prediction completes

* Fix crash issue when first changing tts provider

* Set up streaming response for text to speech audio

* Update controllers - fix issue with sse client getting removed before tts events are sent

* Use existing sse streamer to stream tts audio before sse client is removed

* Add tts sse to redis publisher

* Fix issues with TTS - openai voices, streaming audio, rate limiting, speed of speech

* Refactor

* Refactor TTS - fix issues with tts loading and stop audio buttons

* Abort TTS SSE when clicking the stop button

* Update SSE handling for TTS

* Fix issue with test voice feature

* Fix issue with tts voices not loading

* Update generate tts endpoint and its usage in internal chat

* Whitelist tts generate endpoint

* Refactor Text-to-Speech Provider Selection and Enhance UI Components

- Updated the text-to-speech controller to select the active provider based on status instead of the first available provider
- Added audio waveform controls and test audio functionality in the TextToSpeech component, allowing users to play and pause test audio
- Integrated Autocomplete for voice selection in the TextToSpeech component
- Implemented TTS action management in ChatMessage to prevent auto-scrolling during TTS actions

* - Implemented stopAllTTS function calls to halt existing TTS audio before playing new audio or starting a new TTS stream

* Updated the condition for enabling TTS providers to exclude the 'none' provider, ensuring only valid providers are considered for text-to-speech functionality.

* Remove unnecessary code

* Add ability to abort audio streaming in TTS and release lock on chat input

* Remove logger

* Fix tts audio not playing when clicking speaker button

* update

* TTS abort controller

* Fix abort not working for TTS autoplay

* Send metadata event when aborting autoplay TTS

* Fix UI issue

* Remove elevenlabs sdk from root package.json

* Remove redundant condition for tts autoplay in chatflow

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Co-authored-by: Henry <hzj94@hotmail.com>

packages/components/package.json

@@ -33,6 +33,7 @@
         "@dqbd/tiktoken": "^1.0.21",
         "@e2b/code-interpreter": "^1.5.1",
         "@elastic/elasticsearch": "^8.9.0",
+        "@elevenlabs/elevenlabs-js": "^2.8.0",
         "@flowiseai/nodevm": "^3.9.25",
         "@getzep/zep-cloud": "~1.0.7",
         "@getzep/zep-js": "^0.9.0",