[Bug] Multifile directory trees break downloads

[NotGreatWithCode]

Describe the bug

Using the "A Structure" for RomM library directory with rom folders containing subdirectories for DLC's, patch files, and mods as dictated in the Folder Structure page fail and show the error provided in the screenshots section.

Folder Structure A

    library/
        ├─ roms/
        │  └─ gba/
        │      ├─ game_3.gba
        │      └─ game_4/
        │             ├─ game_4.gba
        │             ├─ dlc
        │             │    ├─ game_4_dlc_1.7z
        │             │    └─ game_4_dlc_2.7z
        │             ├─ hack
        │             │    └─ game_4_hardmode.rar
        │             ├─ manual
        │             │    └─ game_4_manual.pdf
        │             ├─ mod
        │             │    └─ game_4_crazy_mode.zip
        │             ├─ patch
        │             │    └─ game_4_patch_v1.1.zip
        │             ├─ update
        │             ├─ demo
        │             ├─ translation
        │             └─ prototype
        │
        └─ bios/
           └─  gba/
                  └─ gba_bios.bin

Unzipped ROMs (ie .gba, .cia, .smc) as well as zipped archives (.7z, .zip) that use said multifile structure inside the archive function as usual.

Screenshots