- bug fixes (closes: #48990, #48988, #48993, #48995, #48997)

- update to latest public distr

- update educational-resources: nextcloud, veyon, moodle (closes: 47958)
- fix typo

- discover: deleted double (closes #47747)
- synaptic: fixed typos (closes #47746)
- fixed boot-disk (closes #47748)

- fix typo, closes 37032

- fix some typos (ALT #44664, #44665)

- indexhtml-update: avoid /etc/sysconfig/i18n dependency