instrument: the filter's velocity depth knob returns and multiplies the bipolar curve; the pre-v12 lift is a pure domain re-tag

src/core/instrument/ui/deck_groups.cpp

@@ -48,6 +48,7 @@ std::vector<DeckGroupDesc> sampleDeckGroups(PlayMode playMode) {
                           id(DeckParam::kFilterQ),
                           id(DeckParam::kFilterDrive),
                           id(DeckParam::kFilterModAmt),
+                          id(DeckParam::kFilterVel),
                           id(DeckParam::kFilterKeyTrack)};
         filter.rowToggle = {id(DeckParam::kFilterLaw), 44};
         out.push_back(std::move(filter));
@@ -164,6 +165,7 @@ bool isLiveDeckParam(DeckParam id) {
         case DeckParam::kFilterQ:
         case DeckParam::kFilterDrive:
         case DeckParam::kFilterModAmt:
+        case DeckParam::kFilterVel:
         case DeckParam::kFilterKeyTrack:
         case DeckParam::kFilterEnvAttack:
         case DeckParam::kFilterEnvHold:
@@ -250,6 +252,7 @@ bool deckKnobInert(DeckParam id, bool pitchEnvEnabled, bool filterEnabled) {
         case DeckParam::kFilterQ:
         case DeckParam::kFilterDrive:
         case DeckParam::kFilterModAmt:
+        case DeckParam::kFilterVel:
         case DeckParam::kFilterKeyTrack:
         // The filter's velocity curve sits in the VELOCITY group but is a filter parameter:
         // it goes inert with every other one, so no surface can reach a param the knobs can't.