Increasing possible media count per folder fixes #559

src/backend/model/database/sql/enitites/DirectoryEntity.ts

@@ -61,7 +61,7 @@ export class DirectoryEntity
 
   isPartial?: boolean;
 
-  @Column('smallint', { unsigned: true })
+  @Column('mediumint', { unsigned: true })
   mediaCount: number;
 
   @Index()

src/common/DataStructureVersion.ts

@@ -1,4 +1,4 @@
 /**
  * This version indicates that the SQL sql/entities/*Entity.ts files got changed and the db needs to be recreated
  */
-export const DataStructureVersion = 27;
+export const DataStructureVersion = 28;