[DataGridPro] Disable export for detail panel column

[gustavhagland]

Currently, export a table with detailed panels exports a column with name:
__detail_panel_toggle__and only values: true or false indicating the state.

These are not usefull values and should be disabled by default

[mui-bot]

These are the results for the performance tests:

Test case	Unit	Min	Max	Median	Mean	σ
Filter 100k rows	ms	245.9	504.4	390	377.84	90.131
Sort 100k rows	ms	663.6	912.2	788.9	786.98	104.155
Select 100k rows	ms	257.5	369.8	286.1	297.32	37.941
Deselect 100k rows	ms	173.4	314.2	217.8	244.36	55.164

Generated by 🚫 dangerJS against 8d8f57e

[m4theushw]

Thanks!