[Settings> Add new profile]: Confirmation message is not announced by Screen Reader when user create a new profile and duplicate the profile.

Windows Terminal version

1.12.3472.0

Windows build number

10.0.22504.1010

Other Software

Test Environment:
OS: Windows 11 Version Dev (OS Build 22504.1010)
App: Windows Terminal Preview
Screen Reader: Narrator

Steps to reproduce

Repro Steps:

1. Open Windows Terminal.
2. Open Settings page using 'Ctr+,'.
3. Open Narrator using 'Win + Ctrl + Enter' keys.
4. Activate 'Add a new profile' tab, then activate 'New Empty profile' and 'Duplicate' button.
5. Observe the issue.

User Experience:
Screen Reader users UX will not be good if there will not be able to know whether the action is performed successfully or not.

Guideline Reference:
EN 301 549 V3.2.1: 11.5.2.15 Change notification

Attachments:
Confirmation message is not announced by Screen Reader when user create a new profile and Duplicate the profile..zip

Expected Behavior

Confirmation message should be announced by Screen Reader when user create a new profile and duplicate the profile.
i.e. When New profile created successfully, Screen Reader should 'profile name created successfully' and When user duplicated a profile Screen Reader should announce 'profile name created successfully'.

Actual Behavior

Confirmation message is not announced by Screen Reader when user create a new profile and duplicate the profile.

Observation: Issue repro with NVDA and JAWS Screen Reader.

[carlos-zamora]

Since we can't fail to create a new profile, this should be pretty easy. Just after invoking the button, send a notification event saying "profile created successfully".