A new version of MorphicExtras was added to project The Inbox:
http://source.squeak.org/inbox/MorphicExtras-kfr.252.mcz

==================== Summary ====================

Name: MorphicExtras-kfr.252
Author: kfr
Time: 19 February 2019, 9:59:35.769814 pm
UUID: 16a6ba0f-d9aa-44c6-a320-6f95ec6e7ba0
Ancestors: MorphicExtras-pre.251

Make extent of SketchEditorMorph change to the extent set by halo handle
Must refresh painting from tool palette to be able to paint again

=============== Diff against MorphicExtras-pre.251 ===============

Item was added:
+ ----- Method: SketchEditorMorph>>extent: (in category 'actions & preps') -----
+ extent: aPoint
+  | form |
+ super extent: aPoint.
+    paintingForm ifNotNil:[ 
+ 	form := Form extent: self extent depth: paintingForm depth.
+ 	paintingForm displayOn: form.
+ 	paintingForm := form.
+ 	]!