Make main carla client selectable on canvas in jack mode

And remove a print, for now

Signed-off-by: falkTX <falktx@falktx.com>

source/backend/engine/CarlaEngineJack.cpp

@@ -2455,7 +2455,7 @@ private:
                      ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED,
                      groupNameToId.group,
                      PATCHBAY_ICON_CARLA,
-                     -1,
+                     MAIN_CARLA_PLUGIN_ID,
                      0, 0.0f,
                      groupNameToId.name);
             fUsedGroups.list.append(groupNameToId);

source/frontend/patchcanvas/patchcanvas.py

@@ -912,7 +912,7 @@ def redrawPluginGroup(plugin_id):
     group = canvas.group_plugin_map.get(plugin_id, None)
 
     if group is None:
-        qCritical("PatchCanvas::redrawPluginGroup(%i) - unable to find group" % plugin_id)
+        #qCritical("PatchCanvas::redrawPluginGroup(%i) - unable to find group" % plugin_id)
         return
 
     group.widgets[0].update()