fix: numerous fixes regarding package manager page

[ovflowd]

Description

This PR does a few fixes/changes as discussed on previous issues and as pointed out:

• Remove the installation of the said package managers on the CodeBox snippets (except NVM, which is "universal" and specific to Node).js)
  • The reasoning is that folks will know how to install (and/or must have these package managers) preinstalled, such as Docker, Homebrew, and Chocolatey, as they are "OS" package managers, not Node.js package managers.
• Add Docker option for Linux since we removed Docker installation instructions
• Added warning that folks need to ensure that package managers are installed
• Fixed height of the CodeBox section
• Fixed bug that you couldn't switch between OSs (we were being too restrictive with one of the dropdowns)
• Fixed Choco LTS package

Validation

• Ensure functionality on the Package Manager tab is working as expected

Related Issues

Fixes https://github.com/nodejs/nodejs.org/issues/6637 Fixes https://github.com/nodejs/nodejs.org/issues/6479

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Name	Status	Preview	Updated (UTC)
nodejs-org	✅ Ready (Inspect)	Visit Preview	Apr 10, 2024 11:03am

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Lighthouse Results

URL	Performance	Accessibility	Best Practices	SEO	Report
/en	🟢 91	🟢 100	🟢 96	🟢 91	🔗
/en/about	🟢 99	🟢 100	🟢 100	🟢 91	🔗
/en/about/previous-releases	🟢 99	🟢 98	🟢 100	🟢 92	🔗
/en/download	🟢 100	🟢 100	🟢 100	🟢 91	🔗
/en/blog	🟢 98	🟢 100	🟢 96	🟢 92	🔗

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Unit Test Coverage Report

Lines	Statements	Branches	Functions
	90.09% (582/646)	76.1% (172/226)	91.4% (117/128)

Unit Test Report

Tests	Skipped	Failures	Errors	Time
128	0 :zzz:	0 :x:	0 :fire:	5.683s :stopwatch: