Surveys - completion criteria

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Observed behavior

1. The "Completion requirement" metadata when looking at the lesson report/preview as a coach is set to "Get every question correct":

2. When viewing the survey card as a learner I see "Get N correct"

Expected behavior

For Practice Quizzes we display a special label on content cards (logic is here: https://github.com/learningequality/kolibri/blob/develop/packages/kolibri-common/composables/useLearningActivities.js#L139) we should do similarly for Surveys - this will require a new string.

For coach reports, surveys can be handled similarly to practice quizzes here: https://github.com/learningequality/kolibri/blob/develop/kolibri/plugins/coach/assets/src/views/common/ReportsResourceHeader.vue#L52

Steps to reproduce the issue

1. Install Kolibri v0.18.2-beta0
2. Create an exercise of type survey at unstable.studio.learningequality.org and publish the channel. You can use the following test channel: vajok-lomon
3. Import the channel as an admin and assign the exercise to learners.

Usage Details

Kolibri v0.18.2-beta0

Start with the practice-quiz handling in packages/kolibri-common/composables/useLearningActivities.js and the coach report logic in kolibri/plugins/coach/assets/src/views/common/ReportsResourceHeader.vue. Trace how survey completion criteria are displayed for learner cards and coach reports. Done means surveys use the intended special label in both views, with the required new translation string.