Fix some translations for LDAP_Username_Field_Description

packages/rocketchat-lib/i18n/ar.i18n.json

packages/rocketchat-lib/i18n/el.i18n.json

packages/rocketchat-lib/i18n/es.i18n.json

packages/rocketchat-lib/i18n/fa.i18n.json

packages/rocketchat-lib/i18n/fi.i18n.json

packages/rocketchat-lib/i18n/fr.i18n.json

packages/rocketchat-lib/i18n/he.i18n.json

packages/rocketchat-lib/i18n/hr.i18n.json

packages/rocketchat-lib/i18n/hu.i18n.json

packages/rocketchat-lib/i18n/id.i18n.json

packages/rocketchat-lib/i18n/it.i18n.json

packages/rocketchat-lib/i18n/km.i18n.json

packages/rocketchat-lib/i18n/ko.i18n.json

packages/rocketchat-lib/i18n/ku.i18n.json

packages/rocketchat-lib/i18n/lo.i18n.json

packages/rocketchat-lib/i18n/ms-MY.i18n.json

packages/rocketchat-lib/i18n/nl.i18n.json

packages/rocketchat-lib/i18n/pl.i18n.json

packages/rocketchat-lib/i18n/pt.i18n.json

packages/rocketchat-lib/i18n/ro.i18n.json