fix Audio input in Multimodal Textbox not functional. (#12999)
* fix Audio input in Multimodal Textbox not functional.
Let variables did not have $state which made the stop
button and time counter not work correctly. Also
improved the stop button logic with an error catch
and a safe exit in case of an error.
Fixes #12985
* Format
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Co-authored-by: Freddy Boulton <41651716+freddyaboulton@users.noreply.github.com>
