* Show & clear your own on-a-call status
The user menu / settings now reflects your own on-a-call status
and pressing the 'clear' button will clear both m.status and m.call,
whichever are set.
* Update function name
* Fix tests
And make the clear status function simpler by just throwing if either fails.
* Fix more tests
Any UTs for vector-web layer components or functionality should go here.
This used to contain the UTs for notifications before they got moved to react-sdk.