feat: Learner Dashboard get enrollments (#30808)

* feat: fill out enrollment serializer

* test: add basic integration tests for enrollments

* feat: get info for user account activation

* test: test integrating user account activation

* feat: get course enrollments

* feat: get course email settings

* feat: add ecommerce info

* feat: add resume urls

* refactor: move learner home to separate app

* refactor: remove course limit

Co-authored-by: nsprenkle <nsprenkle@2u.com>

.github/workflows/unit-test-shards.json

@@ -53,6 +53,7 @@
     "paths": [
       "lms/djangoapps/instructor_task/",
       "lms/djangoapps/learner_dashboard/",
+      "lms/djangoapps/learner_home/",
       "lms/djangoapps/lms_initialization/",
       "lms/djangoapps/lms_xblock/",
       "lms/djangoapps/lti_provider/",