Assertion exit in BASOP encoder (stereo_dmx_evs)

Basic info

• Encoder (BASOP):

Bug description

Exit from assertion

Ways to reproduce

SHA=00e3a39d

　IVAS_cod.exe -max_band SWB -stereo_dmx_evs 13200 48 concat_speech_-10dB_P800_202501.48k temp.bs

　IVAS_cod.exe -max_band SWB -stereo_dmx_evs 13200 48 concat_music_-10dB_P800_202501.48k temp.bs

(Clear steps or refer to a failing automated test, e.g. with a pipeline link)