LTV crash and high MLD fixes

[x] High MLD fix for the test case - ltv-Multi-channel 7_1_4 at 160 kbps, 48kHz in, 48kHz out, BINAURAL out, bandwidth switching, HR. MLD decreased from 37.302719 to 15.416886
[x] Fix for ltv-crash SBA FOA bitrate switching from 13.2 kbps to 192 kbps, 32kHz in, 32kHz out, DTX on, BINAURAL out
[x] Fix for LTV-Crash [ltv-OMASA 1Dir1TC 4ISM at 48 kbps, 48kHz in, 48kHz out, BINAURAL_ROOM_REVERB out]

EVS 26.444 BE test passes.
decoder pytests:
MLD scores:
Original inputs: 562 failed, 374 skipped
MLD > 10: 46
MLD > 5 : 109
MLD < 5 : 407
+10dB inputs: 562 failed, 374 skipped
MLD > 10: 168
MLD > 5 : 194
MLD < 5 : 200
-10dB inputs: 562 failed, 374 skipped
MLD > 10: 13
MLD > 5 : 48
MLD < 5 : 501
encoder pytests results:
MLD scores:
Original inputs: 562 tests: 237 passes, 325 failures, 374 skipped
MLD > 10: 16
MLD > 5 : 24
MLD < 5 : 522
+10dB inputs: 562 tests: 263 passes, 299 failures, 374 skipped
MLD > 10: 24
MLD > 5 : 47
MLD < 5 : 491
-10dB inputs: 562 tests: 254 passes, 308 failures, 374 skipped
MLD > 10: 5
MLD > 5 : 18
MLD < 5 : 539