BUG: Ensure effect FastGrowCut can use EditorLib.LabelEffectLogic

This commit fixes the following error:

//-----------
File "/home/jcfr/.config/NA-MIC/Extensions-24309/FastGrowCutEffect/lib/Slicer-4.4/qt-scripted-modules/FastGrowCutEffect.py", line 10, in <module>
  from EditorLib import LabelEffectLogic
ImportError: cannot import name LabelEffectLogic
//-----------

git-svn-id: http://svn.slicer.org/Slicer4/trunk@24339 3bd1e089-480b-0410-8dfb-8563597acbee

Modules/Scripted/EditorLib/__init__.py

@@ -8,7 +8,7 @@
 from EditColor import *
 from EditOptions import *
 from HelperBox import *
-from LabelEffect import LabelEffectOptions
+from LabelEffect import LabelEffectOptions, LabelEffectTool, LabelEffectLogic
 
 # Built-in effects
 from PaintEffect import *