Fix a false positive for Layout/EmptyLinesAroundAccessModifier

[koic]

This PR fixes the following infinite loop error for Layout/EmptyLinesAroundAccessModifier with Layout/EmptyLinesAroundBlockBody when using access modifier with block argument.

% cat example.rb
FactoryBot.define do
  factory :model do
    name { 'hoge' }

    private { true }
  end
end

% rubocop -a --only Layout/EmptyLinesAroundAccessModifier,Layout/EmptyLinesAroundBlockBody
(snip)

Inspecting 1 file
C

Offenses:

example.rb:5:5: C: [Corrected] Layout/EmptyLinesAroundAccessModifier:
Keep a blank line before and after private.
    private { true }
    ^^^^^^^
example.rb:6:1: C: [Corrected] Layout/EmptyLinesAroundBlockBody: Extra
empty line detected at block body end.

0 files inspected, 2 offenses detected, 2 offenses corrected
Infinite loop detected in
/Users/koic/src/github.com/koic/rubocop-issues/factory_bot/example.rb
and caused by Layout/EmptyLinesAroundAccessModifier -> Layout/EmptyLinesAroundBlockBody

---

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