[release/8.0] Fixes #7154 #13672 Allows DataGridView to start row/column on index 1 on Narrator

[Epica3055]

Back port PR10243 to release/8.0

Fixes #7154 , #13672 on .Net 8.0

Microsoft Reviewers: Open in CodeFlow

Proposed changes

• Creates a new switch that allows developers to configure their application to make the starting index of rows/cells in DataGridView to be read by Narrator from 1, instead of 0;
• Adds checks on rows and cells of DataGridView to see if the switch is true. If true, starting index of rows/cells will be 1, instead of 0.

Customer Impact

• Developers will be able to configure their WinForms DataGridView rows/cells to be read by Narrator from index 1, instead of 0.

Regression?

• No

Risk

• Minimal

Test methodology

• Manual (Narrator, NVDA)
• Unit tests

[ricardobossan]

All LGTM!

[LeafShi1]

This fix does not require backporting to .net8.0