message: Refactor getUnitProgress to use async/await
diff: @@ -57,9 +57,9 @@ export class ProgressController {
  * }]
  */
  @Get('/units/:id')
  - getUnitProgress(@Param('id') id: string) {
  - return Progress.find({'unit': id})
  - .then((progresses) => progresses.map((progress) => progress.toObject({virtuals: true})));
  + async getUnitProgress(@Param('id') id: string) {
  + const progressSet = await Progress.find({unit: id});
  + return progressSet.map((progress) => progress.toObject({virtuals: true}));
  }
  /**
  