Port MR2143 from float - 20250610 acceptance of switches

Basic Info

• Original merge request in float repo: ivas-codec-pc/ivas-codec!2143 (merged)

Acceptance of

• FIX_1314_STEREO_TO_EXT - VA: issue 1314: set RENDERER_DISABLE for stereo to EXT output -> cleaned out with !2178 (merged) / !2180 (merged)
• FIX_1320_STACK_CPE_DECODER - VA: issue 1320: Optimize the stack memory consumption in the CPE decoder
• FIX_NCHAN_BUFFERS - VA: issue 1322: Correct the number of float buffers (channels) at the decoder -> accept
• FIX_RENDERER_STACK - VA: issue 1322: reduction of renderers' buffers size
• FIX_1319_STACK_SBA_DECODER - VA: issue 1319: Optimize the definition of buffer lengths in the SBA decoder
• JBM_MEMORY_OPT - VA: issue 916: optimization of RAM in the JBM decoder
• NONBE_FIX_1326_MASA_EXTREND_CUSTOMLS_OUT - FhG: Fix crash for external renderer MASA to custom LS rendering, number of output channels not set correctly
• NONBE_1325_TD_STEREO_QUANT_LSF_SEC - Nokia: issue 1325: fix for usage of active_cnt variable in TD stereo LSFQ -> cleaned out with !2178 (merged) / !2180 (merged)
• NONBE_FIX_1172_OBJ_EDIT_JBM - VA: issue 1172: fix OMASA object editing in JBM

Note: thick box indicates whether the switch was already ported