feat: use relative path in mediainfo info

[trim21]

Description

make mediainfo generate info with relative path starts from torrent directory instead of absolute path, avoid leaking unexpected info.

previous:

General
Complete name                            : /abs/path/to/filename
...

after:

General
Complete name                            : filename
...

Related Issue

Screenshots

Types of changes

• Breaking change (changes that break backward compatibility of public API or CLI - semver MAJOR)
• New feature (non-breaking change which adds functionality - semver MINOR)
• Bug fix (non-breaking change which fixes an issue - semver PATCH)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (a4dd536) 77.08% compared to head (cc329fb) 77.09%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #657   +/-   ##
=======================================
  Coverage   77.08%   77.09%           
=======================================
  Files          61       61           
  Lines       11313    11313           
  Branches     1283     1284    +1     
=======================================
+ Hits         8721     8722    +1     
+ Misses       2578     2577    -1     
  Partials       14       14           

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