feat: add video lessons to db on submit + update UI (#38591)

* feat: add video lessons to db on submit + update UI

* feat: delete CompletionVideoModal

* feat: clean up component + add comments

* feat: remove comment

* feat: remove log

* feat: remove log

* fix: update buttons + fix some testing

* fix: remove unused selector

curriculum/schema/challengeSchema.js

@@ -10,7 +10,7 @@ function getSchemaForLang(lang) {
     challengeOrder: Joi.number(),
     challengeType: Joi.number()
       .min(0)
-      .max(10)
+      .max(11)
       .required(),
     checksum: Joi.number(),
     dashedName: Joi.string(),