ファイル管理で絶対パスを使用しないよう修正

[nanasess]

ファイル管理で絶対パスを使用せず、 user_data 以下のみのパスを使用するよう修正

[codecov-commenter]

Codecov Report

Merging #462 (aa795c0) into master (c122ec9) will increase coverage by 0.08%.
The diff coverage is 94.44%.

@@            Coverage Diff             @@
##           master     #462      +/-   ##
==========================================
+ Coverage   53.89%   53.97%   +0.08%     
==========================================
  Files          76       76              
  Lines        8992     9010      +18     
==========================================
+ Hits         4846     4863      +17     
- Misses       4146     4147       +1     

Flag	Coverage Δ
tests	53.97% <94.44%> (+0.08%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
data/class/helper/SC_Helper_FileManager.php	41.88% <94.44%> (+5.46%)	⬆️

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[nanasess]

ユニットテストのコミット漏れがあったので追加しました

[okazy]

ありがとうございます。マージしました。