fix: void_function_in_ternary incorrectly triggered with if statement

[u-abyss]

Fixes #5611

[SwiftLintBot]

	1 Error
🚫	Please rebase to get rid of the merge commits in this PR

	2 Warnings
⚠️	If this is a user-facing change, please include a CHANGELOG entry to credit yourself! You can find it at CHANGELOG.md.
⚠️	This PR may need tests.

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Here's an example of your CHANGELOG entry:

* fix: void_function_in_ternary incorrectly triggered with if statement.  
  [u-abyss](https://github.com/u-abyss)
  [#issue_number](https://github.com/realm/SwiftLint/issues/issue_number)

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