Test build 25: 2.5-b25 — every DX7 voice shows its own name

Every DX7 voice in banks 5–12 shows its own name. From build 16 on, the PRESETS list and TRACKS named a voice in banks 5–12 after the voice 128 or 256 slots below it, in banks 1–4 (a choir listed as GUITAR), while it played its own sound. Nothing else changed from test build 24: SLOOP 2.5 under the twelve DX7 banks, the jump by kind and FX → KEEP.

Safe over builds 19–24: nothing is erased. Going to plain upstream and back can erase banks 1–8 — save a backup in the editor first. Not a SLOOP release.