Firmware, GPAD_API, Rev Firmware:0.58.4+pr.86, Mute Delay Playing Long MP3 file

Describe the bug
A clear and concise description of what the bug is.
Short Summary of the expected behavior:
Press the Mute button and the Krake should mute.

Short Summary of the buggy behavior:
When playing a long MP3 file mute only takes effect after the file loops.

To Reproduce
Steps to reproduce the behavior:

1. Load into the SD Card the long file of audio sweep: sweep_full_-6dBFS.mp3
2. Play the file by sending an alarm message to the DUT.
3. Confirm the file plays with a duration of approximately 13 seconds. (Measured by ear by Lee and by counting.)
4. During a loud part of the sweep press the Mute button.
5. Confirm file plays to completion and then play stops till Mute is pressed again.

Expected behavior
A clear and concise description of what you expected to happen.
Pressing Mute should immedialy change the state of playing the MP3 file.

Screenshots
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Hardware description
Model: Krake
Serial Number: US 0014
Other: Tested with the sweep_full_-6dBFS.mp3 as the second file on the SD card. Tested by sending an a1 message to the DUT.

Test Equipment
Model: NA
Serial Number: NA

Additional context
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