This one appears to be readily available at various distributors. Also add 3D print models for case parts, obtained from https://www.eevblog.com/forum/projects/diy-dsoxlan-interface-for-keysight-oscilloscopes/msg4323214/#msg4323214 apparently authored by Jay_Diddy_B. Adapted layout to fit these models.
Create new symbol for ethernet jack, previous one was not migrated. Fix library names for remaining parts. Rename all project files to their new .kicad_* suffix.