that far that i know the icon topic has a fix.
that far that i know the "type prefix" topic has no fix.
i got told that Oleg is currently not in state for doing anything for Jenkins topics - with an open date when he might be able to return.
there is the word that role-strategy plugin got adopted - but as of now i don't know who is the new adopter. web page provided data does not yet indicate such a change.
the subject here is only happening in combination with matrix-auth plugin 3.x - using latest 2.x versions will eliminate it.
current role-strategy plugin is only offering full support when used with matrix-auth 2.x - the GUI results shown in the above screenshots will be possible in a similar with present latest plugin versions.
the solution is supposed to need some changes to the role-strategy plugin. (i am not familiar with the internals and its real root cause since i have not dived into these plugin myself.)