change order of buttons

changed the order of the buttons below the newsposts to group news and newsletter stuff together which is now really confusing and wrong

closes #310 (closed), regardless of other changes as in !527 (closed)

requested review from @jandt-desy

assigned to @lisa.klaffki

added Progress::4_Can review label

@jandt-desy please review and merge this quick fix

merged

mentioned in commit 5db67864