Accept switches as agreed on 2025-11-26 + clang format

• Related issues: None
• Requested reviewers:

Reason why this change is needed

• Acceptance of switches to match the release, with some exceptions. See https://forge.3gpp.org/rep/ivas-codec-pc/ivas-codec/-/wikis/Meetings/Reports/2025-11-26%20Meeting%20Report

Description of the change

• Accept switches in sections: DEVELOPMENT, BE and Non-BE.
• keep: FIX_I4_OL_PITCH, TMP_1342_WORKAROUND_DEC_FLUSH_BROKEN_IN_SR, NONBE_1122_KEEP_EVS_MODE_UNCHANGED
• clang format

Affected operating points

• All BE