Narrator is not announcing 'Levels' & 'Positions' information for 'Expand/Collapse' controls present in the 'Scene graph' section.

Pre-requisites:

1.Open the URL: Releases · Azure/azure-remote-rendering-asset-tool (github.com) and download latest ARRT zip file.

2.Once downloaded the file extract it and open the extracted file.

3.Open 'ARRT' application using Run as administrator.

4.Settings->Accessibility->Contrast themes->Aquatic/Desert->Apply

Repro steps:

1.Open 'ARRT' application.

2.Navigate to Settings->Account Settings->Settings window->ARR & Storage tabs->fill the fields with valid credentials in both the tabs->Test Connection->Storage Account & ARR Account Connected->Close->Rendering tab->Session->Rendering Session window->Start->Session Connected->Model->Load with URL menu item->Input SAS URL window->Ok button->Scene graph section(present in left pane).

3.Navigate to 'Expand/Collapse' controls present in 'Scene graph' section and observe narrator announcement.

Actual Result:

Narrator is not announcing 'Levels' & 'Positions' information for 'Expand/Collapse' controls present in the 'Scene graph' section.

Ex: Narrator announces as 'built-in://Engine, expanded, Column Header 1, Row 1 of 419 Column 1 of 1'.

Expected Result:

Narrator should announce 'Levels' & 'Positions' information for 'Expand/Collapse' controls present in the 'Scene graph' section.

Ex: Narrator should announce as 'Level 1 builtin://Engine, Button, expanded, 1 of 419'.