Client: Add ability to list only active users * Adjust the "UIBoxHeader.vue" component to accept "checkbox" object which displays checkbox element in the header if it passed from the parent components. * Filter users according to the checked value from the checkbox. * Checkbox for hiding inactive users is only visible if there is at least one deactivated user.

teichmann@intevation.de = sascha.teichmann@intevation.de
bernhard.reiter@intevation.de = bernhard@intevation.de