change JS gannts so that sub-tasks are transparent and the text is not hidden

dream/plugins/JobShop/JSComponentGantt.py

@@ -95,7 +95,7 @@ class JSComponentGantt(plugin.OutputPreparationPlugin, TimeSupportMixin):
                         exitTime).strftime(date_format),
                   open=False,
                   entranceTime=entranceTime,
-                  color='cyan',
+                  color='transparent',
                   duration=exitTime-entranceTime,
                 )           
            

dream/plugins/JobShop/JSOperatorGantt.py

@@ -74,7 +74,7 @@ class JSOperatorGantt(plugin.OutputPreparationPlugin, TimeSupportMixin):
                       exitTime).strftime(date_format),
                 open=False,
                 entranceTime=entranceTime,
-                color='cyan',
+                color='transparent',
                 duration=exitTime-entranceTime,
               )
               if task_id == 'off-shift':