Fix Commentable GQL type resolution for EdgeDB FQNs

Author: CarsonF

src/components/comments/dto/commentable.dto.ts

@@ -1,6 +1,11 @@
 import { InterfaceType } from '@nestjs/graphql';
 import { keys as keysOf } from 'ts-transformer-keys';
-import { Resource, ResourceRelationsShape, SecuredProps } from '~/common';
+import {
+  resolveByTypename,
+  Resource,
+  ResourceRelationsShape,
+  SecuredProps,
+} from '~/common';
 import { e } from '~/core/edgedb';
 import { RegisterResource } from '~/core/resources';
 import { CommentThread } from './comment-thread.dto';
@@ -9,6 +14,7 @@ import { CommentThread } from './comment-thread.dto';
 @InterfaceType({
   description: 'A resource that can be commented on',
   implements: [Resource],
+  resolveType: resolveByTypename(Commentable.name),
 })
 export abstract class Commentable extends Resource {
   static readonly Props: string[] = keysOf<Commentable>();