chore: add extracted translation source files from frontend-app-cours…

…e-authoring

translations/frontend-app-course-authoring/src/i18n/transifex_input.json

@@ -538,8 +538,6 @@
   "course-authoring.course-unit.sequence.no.content": "There is no content here.",
   "course-authoring.course-unit.sequence.navigation.menu": "{current} of {total}",
   "course-authoring.course-unit.sequence.navigation.menu.copy-unit.past-unit-link": "Paste as new unit",
-  "course-authoring.course-unit.button.view-live": "View live version",
-  "course-authoring.course-unit.button.preview": "Preview",
   "course-authoring.course-unit.heading.button.edit.alt": "Edit",
   "course-authoring.course-unit.heading.button.edit.aria-label": "Edit field",
   "course-authoring.course-unit.heading.button.settings.alt": "Settings",
@@ -731,6 +729,7 @@
   "course-authoring.course-outline.configure-modal.visibility-tab.section-visibility": "{visibilityTitle} visibility",
   "course-authoring.course-outline.configure-modal.visibility-tab.unit-visibility": "Unit visibility",
   "course-authoring.course-outline.configure-modal.visibility-tab.unit-access": "Unit access",
+  "course-authoring.course-outline.configure-modal.visibility-tab.lib-content-access": "Library content access",
   "course-authoring.course-outline.configure-modal.discussion-enabled.section-title": "Discussion",
   "course-authoring.course-outline.configure-modal.discussion-enabled.checkbox": "Enable discussion",
   "course-authoring.course-outline.configure-modal.discussion-enabled.description": "Topics for unpublished units will not be created",