16500-added ApplicationType::Joker and return color black on it

Closes #16500

src/model/apartment.cpp

@@ -124,7 +124,7 @@ namespace dss {
     _zone->addGroup(grp);
     grp.reset(new Group(GroupIDBlack, _zone));
     grp->setName("black");
-    grp->setApplicationType(ApplicationType::None);
+    grp->setApplicationType(ApplicationType::Joker);
     grp->setIsValid(true);
     _zone->addGroup(grp);
     grp.reset(new Group(GroupIDCooling, _zone));

src/model/modelconst.cpp

@@ -391,6 +391,7 @@ namespace dss {
         case ApplicationType::Heating: return stream << "heating";
         case ApplicationType::Audio: return stream << "audio";
         case ApplicationType::Video: return stream << "video";
+        case ApplicationType::Joker: return stream << "joker";
         case ApplicationType::Cooling: return stream << "cooling";
         case ApplicationType::Ventilation: return stream << "ventilation";
         case ApplicationType::Window: return stream << "window";
@@ -420,6 +421,8 @@ namespace dss {
         return ColorIDCyan;
       case ApplicationType::Video:
         return ColorIDViolet;
+      case ApplicationType::Joker:
+        return ColorIDBlack;
       case ApplicationType::None:
         return 0;
     }

src/model/modelconst.h

@@ -263,6 +263,7 @@ namespace dss {
     Heating = 3,
     Audio = 4,
     Video = 5,
+    Joker = 8,
     Cooling = 9,
     Ventilation = 10,
     Window = 11,