💻 Add "make private" and "change language" to public adventure view for superteachers

[Felienne]

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[AnneliesVlaar]

As a super teacher it it possible to delete public adventures. But it would be nice if it is also possible to make adventures private, when an adventure is clearly a 'test this teacher feature of Hedy' adventure.

[AnneliesVlaar]

Some adventures have wrong meta-info, mainly the language is not the right one. for example:

It would be nice if it is possible to change the language.
Maybe sometimes the level is also incorrect, but I am not sure if this will happen often.

[AnneliesVlaar]

Right now there is this check button, that a teacher agrees that the adventure might be publicly available. If you check this button the adventure is immediately visible.

If we 'hide' an adventure and a teacher is changing it to something that would be nice to show... How could we deal with this situation?