fix(video-media): simplify tag filtering logic in findAll method

apps/box-mgnt-api/src/mgnt-backend/feature/video-media/video-media.service.ts

@@ -212,9 +212,7 @@ export class VideoMediaService {
     // filter by tag, by videoMedia.secondTags[]
     if (typeof query.tag === 'string' && query.tag.trim() !== '') {
       where.secondTags = {
-        $elemMatch: {
-          $eq: query.tag.trim(),
-        },
+        has: query.tag.trim(),
       };
     }