[Feature request]: Allow tap on selected tab bar item

[simon-meer]

Preflight Checklist

• I have read the Contributing Guidelines for this project.
• I have searched the issue tracker for an issue that matches the one I want to file, without success.

Request type

Request for enhancement of a component

Functionality

I'm currently in the process of upgrading from an earlier version of the DSM, and I've encountered an issue with how the library handles tabs.

The way it is currently implemented, the SBBTabBar only sends out events when the tab has changed, but not when the user taps the currently selected tab.

In our case, we want to return the user to the top page of the respective navigation tree when they tap on the selected tab (i.e. the same behavior as the SBB App.)

It would be great if a new event could be added or the behavior reverted.

Link to design proposal file

No response