fix(comments): correct ZoneField button count/order; generalize single-zone setState seed comment

src/vst/reasampler_processor.cpp

@@ -150,7 +150,7 @@ tresult PLUGIN_API ReaSamplerProcessor::setState(IBStream* state) {
     // Component state IS the performance map (Tier 1, D-B). deserializePerformance lifts a
     // v1 (S4 single-selection) blob to a one-zone map, so already-saved Tier-0 instances
     // restore cleanly. When the restored map is empty, the instrument falls back to the
-    // Tier-0 first-sample in reloadFromBank; if the v1 lift produced a single zone we also
+    // Tier-0 first-sample in reloadFromBank; if any single-zone restored map is present we
     // seed the fallback selection from it so the editor reflects the restored pick.
     const PerformanceMap map = deserializePerformance(bytes);
     setPerformanceMap(map);