when dock content exceed maxLength update autosize

containment/contents/ui/main.qml

@@ -1090,6 +1090,18 @@ DragDrop.DropArea {
             Layout.preferredHeight: height
 
             property int count: children.length
+
+            onWidthChanged: {
+                if (root.isHorizontal && dock && (width+secondLayout.width >= dock.maxLength)) {
+                    updateAutomaticIconSize();
+                }
+            }
+
+            onHeightChanged: {
+                if (root.isVertical && dock && (height+secondLayout.height >= dock.maxLength)) {
+                    updateAutomaticIconSize();
+                }
+            }
         }
 
         Grid{