Γ-W1-T2: the limiter toggle is a mute, not a crossfade — the ceiling holds across both transitions

The equal-gain dry/wet blend let a peak through at (1-m) of its level. Now the
fade rides only the limited path and the hard edge lands on silence.

src/shell/instrument/reasampler_processor.cpp

@@ -97,7 +97,7 @@ tresult PLUGIN_API ReaSamplerProcessor::setActive(TBool state) {
         reloadInstrument();
         // The host performs this deactivate/reactivate whenever it acts on a kLatencyChanged
         // request, so the limiter starts each activation with an empty delay line and snapped
-        // to its persisted state — no crossfade, because there is nothing sounding to be
+        // to its persisted state — no transition mute, because there is nothing sounding to be
         // continuous with once the block above has destroyed every voice.
         limiter_.reset();
     } else {