fix offsets to work with substance beta 6

app/components/SimpleEditor/elements/track_change/TrackChangesProvider.js

@@ -75,8 +75,6 @@ class TrackChangesProvider extends TOCProvider {
       const isFromSameUser = this.isAnnotationFromTheSameUser(annotation)
       const mode = this.getMode()
 
-      // console.log(annotation)
-
       if (isFromSameUser) {
         this.insertText(event)
         if (isOnLeftEdge) this.expandAnnotationToDirection(annotation)
@@ -350,8 +348,8 @@ class TrackChangesProvider extends TOCProvider {
       this.removeTrackAnnotation(annotation)
     })
 
-    selection.startOffset = minBy(selectionArray, 'startOffset').startOffset
-    selection.endOffset = maxBy(selectionArray, 'endOffset').endOffset
+    selection.start.offset = minBy(selectionArray, 'start.offset').start.offset
+    selection.end.offset = maxBy(selectionArray, 'end.offset').end.offset
 
     return selection
     // TODO