Context Menu Disappears on Device Rotation

[reverse-unina]

When I perform this sequence of events:

1.    Click on OK
   

2.    Click on "..." (More Options...)
   

3.    Click on Add Task
   

4.    Insert text "Example"
   

5.    Click on Add Task
   

6.    Long Click on Element in List
   

7.    Orientation Change
   

The context menu on screen disappears.