fixed updating cells showing sprites or costumes inside list watchers

HISTORY.md

@@ -2,8 +2,12 @@
 
 ## in development:
 
+* **Notable Fixes:**
+    * fixed updating cells showing sprites or costumes inside list watchers
+
 ### 2020-11-18
 * new dev version
+* objects: fixed updating cells showing sprites or costumes inside list watchers
 
 ## 6.3.3
 * **Notable Changes:**

snap.html

@@ -10,7 +10,7 @@
         <script src="src/widgets.js?version=2020-10-06"></script>
         <script src="src/blocks.js?version=2020-11-17"></script>
         <script src="src/threads.js?version=2020-11-15"></script>
-        <script src="src/objects.js?version=2020-11-17"></script>
+        <script src="src/objects.js?version=2020-11-18"></script>
         <script src="src/gui.js?version=2020-11-18"></script>
         <script src="src/paint.js?version=2020-05-17"></script>
         <script src="src/lists.js?version=2020-07-01"></script>

src/objects.js

@@ -84,7 +84,7 @@ BlockEditorMorph, BlockDialogMorph, PrototypeHatBlockMorph,  BooleanSlotMorph,
 localize, TableMorph, TableFrameMorph, normalizeCanvas, VectorPaintEditorMorph,
 AlignmentMorph, Process, WorldMap, copyCanvas, useBlurredShadows*/
 
-modules.objects = '2020-November-17';
+modules.objects = '2020-November-18';
 
 var SpriteMorph;
 var StageMorph;
@@ -10966,6 +10966,7 @@ CellMorph.prototype.update = function () {
         return;
     }
     if (this.version !== this.contents.version) {
+        this.fixLayout();
         this.rerender();
         this.version = this.contents.version;
     }