improve GUI responsivenes, turn off debug info

src/libslic3r/SupportSpotsGenerator.cpp

@@ -15,8 +15,8 @@
 #include "libslic3r/ClipperUtils.hpp"
 #include "Geometry/ConvexHull.hpp"
 
-#define DETAILED_DEBUG_LOGS
-#define DEBUG_FILES
+//#define DETAILED_DEBUG_LOGS
+//#define DEBUG_FILES
 
 #ifdef DEBUG_FILES
 #include <boost/nowide/cstdio.hpp>

src/slic3r/GUI/Gizmos/GLGizmoFdmSupports.cpp

@@ -393,6 +393,8 @@ void GLGizmoFdmSupports::data_changed()
     ModelObject* mo = m_c->selection_info()->model_object();
     if (mo && this->waiting_for_autogenerated_supports) {
         get_data_from_backend();
+    } else {
+        this->waiting_for_autogenerated_supports = false;
     }
 }