Queue get() repeated unnessarily

[fakhirali]

https://github.com/Finity-Alpha/OpenVoiceChat/blob/764a5bf57b524cfbd2eb84a1197126013420d405/openvoicechat/tts/base.py#L129

Here the llm queue may have multiple tokens but the processing(sentence split etc) would be done for every token. Ideally it is done of all of the tokens that are accessible at the time.