[DataGridPro] Fix row order being reset after updating the row

[cherniavskii]

Fixes #6520

Before: https://codesandbox.io/s/focused-butterfly-mun6yt?file=/demo.tsx
After: https://codesandbox.io/s/white-firefly-u5tlib?file=/demo.tsx

[mui-bot]

These are the results for the performance tests:

Test case	Unit	Min	Max	Median	Mean	σ
Filter 100k rows	ms	478.5	878.4	770.2	684.2	171.003
Sort 100k rows	ms	576.9	1,004	724.8	802.98	151.137
Select 100k rows	ms	219.4	280.9	255	249.94	24.681
Deselect 100k rows	ms	159.8	297.1	274.4	250.92	52.269

Generated by 🚫 dangerJS against c0988a8