feat: mvp features for soft launch (#44539)

* refactor: use enum

* feat: create links between legacy and new

* refactor: pull out legacy-links component

* fix: import order

* fix: provide icon for new superblock

* feat: only show the copy on the new superblock

* fix: use the proper i18n keys correctly

* feat: put the new superblock at the end of the map

* feat: update the new superblock title

* test: update for soft launch order

* fix: show original project links on /settings

Soft launch only.

* test: use SHOW_NEW_CURRICULUM in tests

* fix: rename the remaining rwd-22s

* feat: make the messge prettier

* fix: message copy

* refactor: make comment make sense

Co-authored-by: Ahmad Abdolsaheb <ahmad.abdolsaheb@gmail.com>
Co-authored-by: Nicholas Carrigan (he/him) <nhcarrigan@gmail.com>

curriculum/utils.test.js

@@ -38,7 +38,7 @@ describe('getSuperOrder', () => {
   it('returns a different order if passed the option showNewCurriculum: true', () => {
     expect.assertions(13);
     expect(
-      getSuperOrder('2022/responsive-web-design', { showNewCurriculum: true })
+      getSuperOrder('responsive-web-design', { showNewCurriculum: true })
     ).toBe(0);
     expect(
       getSuperOrder('javascript-algorithms-and-data-structures', {
@@ -82,7 +82,7 @@ describe('getSuperOrder', () => {
       getSuperOrder('coding-interview-prep', { showNewCurriculum: true })
     ).toBe(11);
     expect(
-      getSuperOrder('responsive-web-design', { showNewCurriculum: true })
+      getSuperOrder('2022/responsive-web-design', { showNewCurriculum: true })
     ).toBe(12);
   });
 });