on rack mode, use the 1st plugin for canvas actions

source/backend/engine/CarlaEngineJack.cpp

@@ -1800,7 +1800,7 @@ private:
             groupNameToId.setData(fLastGroupId++, ourName);
             fUsedGroupNames.append(groupNameToId);
 
-            callback(ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED, 0 /* our client */, PATCHBAY_ICON_CARLA, -1, 0.0f, ourName);
+            callback(ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED, 0 /* our client */, PATCHBAY_ICON_CARLA, 0, 0.0f, ourName);
         }
 
         if (const char** const ports = jackbridge_get_ports(fClient, nullptr, nullptr, 0))

source/backend/engine/CarlaEngineJuce.cpp

@@ -233,7 +233,7 @@ public:
 
         // Main
         {
-            callback(ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED, RACK_PATCHBAY_GROUP_CARLA, PATCHBAY_ICON_CARLA, -1, 0.0f, getName());
+            callback(ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED, RACK_PATCHBAY_GROUP_CARLA, PATCHBAY_ICON_CARLA, 0, 0.0f, getName());
 
             callback(ENGINE_CALLBACK_PATCHBAY_PORT_ADDED, RACK_PATCHBAY_GROUP_CARLA, RACK_PATCHBAY_PORT_AUDIO_IN1,  PATCHBAY_PORT_TYPE_AUDIO|PATCHBAY_PORT_IS_INPUT, 0.0f, "audio-in1");
             callback(ENGINE_CALLBACK_PATCHBAY_PORT_ADDED, RACK_PATCHBAY_GROUP_CARLA, RACK_PATCHBAY_PORT_AUDIO_IN2,  PATCHBAY_PORT_TYPE_AUDIO|PATCHBAY_PORT_IS_INPUT, 0.0f, "audio-in2");

source/backend/engine/CarlaEngineRtAudio.cpp

@@ -432,7 +432,7 @@ public:
 
         // Main
         {
-            callback(ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED, RACK_PATCHBAY_GROUP_CARLA, PATCHBAY_ICON_CARLA, -1, 0.0f, getName());
+            callback(ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED, RACK_PATCHBAY_GROUP_CARLA, PATCHBAY_ICON_CARLA, 0, 0.0f, getName());
 
             callback(ENGINE_CALLBACK_PATCHBAY_PORT_ADDED, RACK_PATCHBAY_GROUP_CARLA, RACK_PATCHBAY_PORT_AUDIO_IN1,  PATCHBAY_PORT_TYPE_AUDIO|PATCHBAY_PORT_IS_INPUT, 0.0f, "audio-in1");
             callback(ENGINE_CALLBACK_PATCHBAY_PORT_ADDED, RACK_PATCHBAY_GROUP_CARLA, RACK_PATCHBAY_PORT_AUDIO_IN2,  PATCHBAY_PORT_TYPE_AUDIO|PATCHBAY_PORT_IS_INPUT, 0.0f, "audio-in2");