Missing Title Logo and Incorrect Title in MAC Outlook

[alankrit-singh-8]

We are developing an outlook web addin using office js Smart alert template.
In Mac Outlook, when opening the taskpane, the title logo that comes in other platform is not coming in MAC outlook. Also, the title is coming as wrong.

Your Environment

• Platform - MAC
• Host - Outlook
• Operating System: MAC

Expected behavior

The title and the title logo should come in MAC Outlook as it is coming in OWA and Windows New Outlook.
For MAC + Windows OWA, it is displayed as below:-

However for the MAC Outlook app, the header icon and app display name is not shown correctly.

Current behavior

1. Logo is not shown in the task pane header.
2. Display name is not shown in the task pane header.
3. The dropdown title is being shown in the task pane header.
4. The task pane behaviour is inconsistent between Mac Outlook and other platforms.

Steps to reproduce

1. Compose a Mail in MAC Outlook.
2. Enter a recipient and click on send.
3. task pane will appear, check for title logo and title.