🐛(frontend) fix Enroll now translation

[igobranco]

When using an external LMS, the CTA Enroll now on course runs isn't being translated.

Screenshot on french, is still showing the Enroll now on english.

After applying this fix and translate it on src/frontend/i18n/locales/fr-FR.json:

"components.SyllabusCourseRun.enroll": {
    "description": "CTA for users who can enroll in the course run or could enroll if they logged in.",
    "message": "S’inscrire maintenant"
  },

[jbpenrath]

Those labels should have been translated by the backend 🤔

richie/src/richie/apps/courses/models/course.py

Lines 55 to 56 in f47f5b0

	ONGOING_OPEN: _("enroll now"),
	FUTURE_OPEN: _("enroll now"),

[igobranco]

@jbpenrath I think it doesn't come from backend, but from the frontend.
The CourseState is calculated on the frontend and not on the backend.
So I think it just need to translate the call_to_action Strings from the computeState function:

richie/src/frontend/js/utils/CourseRuns/index.ts

Lines 12 to 79 in eae94fe

	export const computeState = (courseRun: CourseRun): CourseState => {
	if (!courseRun.start || !courseRun.enrollment_start) {
	return {
	priority: Priority.TO_BE_SCHEDULED,
	datetime: null,
	call_to_action: null,
	text: CourseStateTextEnum.TO_BE_SCHEDULED,
	};
	}
	const now = new Date();
	const end = courseRun.end ? new Date(courseRun.end) : MAX_DATE;
	const enrollmentEnd = courseRun.enrollment_end ? new Date(courseRun.enrollment_end) : MAX_DATE;
	if (new Date(courseRun.start) < now) {
	if (end > now) {
	if (enrollmentEnd > now) {
	return {
	priority: Priority.ONGOING_OPEN,
	datetime: enrollmentEnd.toISOString(),
	call_to_action: 'enroll now',
	text: CourseStateTextEnum.ON_GOING,
	};
	}
	return {
	priority: Priority.ONGOING_CLOSED,
	datetime: null,
	call_to_action: null,
	text: CourseStateTextEnum.ON_GOING,
	};
	}
	if (new Date(courseRun.enrollment_start) < now && now < enrollmentEnd) {
	return {
	priority: Priority.ARCHIVED_OPEN,
	datetime: enrollmentEnd.toISOString(),
	call_to_action: 'study now',
	text: CourseStateTextEnum.ARCHIVED,
	};
	}
	return {
	priority: Priority.ARCHIVED_CLOSED,
	datetime: null,
	call_to_action: null,
	text: CourseStateTextEnum.ARCHIVED,
	};
	}
	if (new Date(courseRun.enrollment_start) > now) {
	return {
	priority: Priority.FUTURE_NOT_YET_OPEN,
	datetime: courseRun.start,
	call_to_action: null,
	text: CourseStateTextEnum.STARTING_ON,
	};
	}
	if (enrollmentEnd > now) {
	return {
	priority: Priority.FUTURE_OPEN,
	datetime: courseRun.start,
	call_to_action: 'enroll now',
	text: CourseStateTextEnum.STARTING_ON,
	};
	}
	return {
	priority: Priority.FUTURE_CLOSED,
	datetime: courseRun.start,
	call_to_action: null,
	text: CourseStateTextEnum.ENROLLMENT_CLOSED,
	};
	};

[igobranco]

Replaced by #2553