SuccessFactors: ui5-tree-item counter

[agauyeung]

Is your feature request related to a problem? Please describe.
The ui5-tree-item does not support the counter as described in the Fiori documentation,

Describe the solution you'd like
Please add support for a counter like how ListItem supports info.

Describe alternatives you've considered
Unsure of any.

Additional context
See the info attribute for ui5-list-item below:

[ilhan007]

Hello @agauyeung

The feature request has been evaluated and approved. As soon as the issue is planned for development, we will update you on the timelines.

[nnaydenow]

Internal reference: 5003