The file size check was comparing bytes (from dol_filesize) directly with
kilobytes (from MAIN_SECURITY_MAXFILESIZE_DOWNLOADED config), causing false
positives that blocked downloads of small files.
Example: A 94 KB file (96678 bytes) was rejected because 96678 > 20480,
even though the limit was actually 20480 KB (20 MB).
Changes:
- Convert KB limit to bytes before comparison: $fileSizeMax * 1024
- Improve error message to display file size in KB for consistency
- Add detailed logging with both bytes and KB values
Fixes: Files under the configured limit are now correctly allowed to download
f837fb4fa8