Add `\n` after hidden input in checkbox and radio HTML code

[vjik]

Q	A
Is bugfix?	❌
New feature?	❌
Breaks BC?	❌
Fixed issues

[what-the-diff[bot]]

PR Summary

• Improvement in HTML Code Formatting The pull request includes an update to the CHANGELOG.md where a new line character (\n) is added after each hidden input field for checkboxes and radio buttons. This enhances the readability of the HTML code.

• Update in Rendered Output in 'BooleanInputTag.php' This pull request modifies 'BooleanInputTag.php' by adding a newline character after the HTML input is rendered. This slight change in coding style improves the clarity of the code output.

• Enhancement in Code Readability in 'BooleanInputTagTest.php' Additionally, the PR brings a modification to the code in 'BooleanInputTagTest.php'. The HTML code is now formatted in a much more accessible way, making it easier for any team member to review and understand what's going on.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (79a8c73) 100.00% compared to head (8d5949b) 100.00%. Report is 2 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #181 +/- ## =========================================== Coverage 100.00% 100.00% Complexity 771 771 =========================================== Files 85 85 Lines 2080 2080 =========================================== Hits 2080 2080 ```

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[Tigrov]

It could be an issue for some browsers, perhaps for old.

https://www.itsupportguides.com/knowledge-base/tech-tips/solved-internet-explorer-hidden-input-taking-space/

[vjik]

Agree with @Tigrov