Fix false positives on explicit_type_interface rule

[Jeehut]

Fixes #2425.

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[codecov-io]

Codecov Report

Merging #2426 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #2426      +/-   ##
==========================================
+ Coverage   90.77%   90.77%   +<.01%     
==========================================
  Files         320      320              
  Lines       16182    16191       +9     
==========================================
+ Hits        14689    14698       +9     
  Misses       1493     1493

Impacted Files	Coverage Δ
...rameworkTests/ExplicitTypeInterfaceRuleTests.swift	100% <100%> (ø)	⬆️
...rk/Rules/Idiomatic/ExplicitTypeInterfaceRule.swift	96.66% <100%> (+0.23%)	⬆️

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[jpsim]

Thanks for the PR. Could you please rebase to address the merge conflict?

[jpsim]

Thanks for the PR. Could you please rebase to address the merge conflict?

I took care of this, rebased and force-pushed to your branch. Will merge when CI approves.