EnhancedGrid - Cell content be modified abnormally

[evan]

This issue will only be reproduced with very specific steps:

1. Open the attached test case
   

2. Edit the cell in the third row - "step1.jpg" -> "step2.jpg";
   

3.Click bottom of cell in the first row - "step3.jpg";

4.Quickly move mouse to the top of the second row and click - "step4.jpg"

5.the value in the cell of the first row is changed to the value which is edit in step 2 - "step5.jpg"

[evan]

test case to reproduce this issue

[evan]

how the iccur occurs

[evan]

(In [24135]) Fixes #12546, avoid setFocusCell() in the end of double cell click

[evan]

Backported the fix to 1.6 branch with [24228]