DataGrid: Fix the "Cannot read properties of undefined (reading 'values')" error that occurs when adding a row to the second page if initial row values are specified in onInitNewRow (T1274123)#32448

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Alyar666 wants to merge 4 commits intoDevExpress:26_1from

Alyar666:T1274123_26_1

Commits on Feb 9, 2026

DataGrid: Fix the "Cannot read properties of undefined (reading 'values')" error that occurs when adding a row to the second page if initial row values are specified in onInitNewRow (T1274123)
Alyar
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add testcafe test
Alyar
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Fix copilot comments
Alyar
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Add typing for _internalState
Alyar
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