fix bug list-diff support dir mode

[Ericwww]

Hi, everyone.

I want to integrate goimports-reviser into our CI/CD to ensure that code gating will fail when the import ordering is not as expected.

But I found that list-diff flag is not work when a recursive path (./...) is given.

I am making a PR to fix this bug. But I have one question.

What is the right behavior when `list-diff` flag is given?
Refact code and print file path? or only print file path?

From what I remember, when you run the goimports -l command, it only prints the file path without refactoring the code.

I don't know what behavior is expected here for goimports-reviser.

#139

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (85f8a62) 90.38% compared to head (819921b) 90.44%.
Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #140      +/-   ##
==========================================
+ Coverage   90.38%   90.44%   +0.05%     
==========================================
  Files           9        9              
  Lines         645      649       +4     
==========================================
+ Hits          583      587       +4     
  Misses         43       43              
  Partials       19       19              

Flag	Coverage Δ
unittests	90.44% <100.00%> (+0.05%)	⬆️

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[Ericwww]

@incu6us Hello. If you are free, have a look on this pull request please, thank you. 😄

[incu6us]

@incu6us Hello. If you are free, have a look on this pull request please, thank you. 😄

hi @Ericwww
Checking

[incu6us]

fixed in v3.6.0