Update AdminLessonExerciseCard types and getExercises query

[flacial]

Related to #1990

Description

When using AdminLessonExerciseCard, we'll pass exercise[i] from getExercises query.

exercise type in AdminLessonExerciseCard is:

export type Exercise = {
  __typename?: 'Exercise'
  answer: Scalars['String']
  author: User
  description: Scalars['String']
  explanation?: Maybe<Scalars['String']>
  flagReason?: Maybe<Scalars['String']>
  flaggedAt?: Maybe<Scalars['String']>
  flaggedBy?: Maybe<User>
  flaggedById?: Maybe<Scalars['Int']>
  id: Scalars['Int']
  module: Module
  testStr?: Maybe<Scalars['String']>
}

And we're trying to pass the exercise as:

id
author {
  id
}
module {
  name
  lesson {
    slug
  }
}
description
answer
explanation

This will result in two errors. One would be the mismatch between the author type we're passing and Exercise.author from GraphQL types. Second would be mismatch between the module types.

Solution

Narrow the exercise and user types to only include what we need and update the getExercise query to include the author's username, email, and discordUsername in order to use them in the component.

[vercel]

@flacial is attempting to deploy a commit to the c0d3-prod Team on Vercel.

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[codecov]

Codecov Report

Merging #2410 (78227c8) into master (f1d83d1) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##            master     #2410   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          185       185           
  Lines         3286      3286           
  Branches       872       872           
=========================================
  Hits          3286      3286           

Impacted Files	Coverage Δ
__dummy__/getExercisesData.ts	100.00% <ø> (ø)
...mponents/admin/lessons/AdminLessonExerciseCard.tsx	100.00% <ø> (ø)

[vercel]

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