[Gui] Part TaskCheckGeometry change Error to Log..

for faulty geometry output, The user can still see all the error output in the task panel but by default they will see nothing in the Report View as Log is not Enabled for new users. See discussion https://forum.freecadweb.org/viewtopic.php?f=15&t=46803#p402533

src/Mod/Part/Gui/TaskCheckGeometry.cpp

@@ -704,7 +704,7 @@ BOPCheck.Perform();
 
       /*log BOPCheck errors to report view*/
       if (logErrors){
-          std::cerr << faultyEntry->parent->name.toStdString().c_str() << " : "
+          std::clog << faultyEntry->parent->name.toStdString().c_str() << " : "
                     << faultyEntry->name.toStdString().c_str() << " : "
                     << faultyEntry->type.toStdString().c_str() << " : "
                     << faultyEntry->error.toStdString().c_str()
@@ -737,7 +737,7 @@ void TaskCheckGeometryResults::dispatchError(ResultEntry *entry, const BRepCheck
 
     /*log BRepCheck errors to report view*/
     if (logErrors){
-        std::cerr << entry->parent->name.toStdString().c_str() << " : "
+        std::clog << entry->parent->name.toStdString().c_str() << " : "
                   << entry->name.toStdString().c_str() << " : "
                   << entry->type.toStdString().c_str() << " : "
                   << entry->error.toStdString().c_str() << " (BRepCheck)"