Fix some small detekt issues

[DeKaN]

Contributor checklist

• [x] This pull request is on a separate branch and not the main branch

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Description

This PR fixes three small detekt problems mentioned in the issues

Related issue

• #97
• #100
• #128

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Maintainer checklist

• [x] The commit messages for the remote branch should be checked to make sure the contributor's email is set up correctly so that they receive credit for their contribution

  • The contributor's name and icon in remote commits should be the same as what appears in the PR
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• [x] The linting and formatting workflows within the PR checks do not indicate new errors in the files changed

• [x] The CHANGELOG has been updated with a description of the changes for the upcoming release and the corresponding issue (if necessary)

[DeKaN]

@andrewtavis two of these three detekt problems are too small, so I've combined them into one PR

[andrewtavis]

Totally fine, @DeKaN! Looking forward to closing all those issues in a row after this is merged!