[Issue] init command erases certain variables in config.toml

[JohnSmith-PrivacyRebels]

Describe the issue
When I init my binary (either nym-mixnode or nym-gatweway) after the update, it erases certain variable values like landing page, hostname.

Expected behaviour
Init should not touch permanent variables

Stack Traces
no logs as such, simply blank variables in config.toml

Steps to Reproduce
run 'nym-mixnode init --id YOURID --host blah blah
check config.toml
certain variables will be blank (landing page, hostname, metrics_key, for example)

Which area of Nym were you using?

• Application: [Gateway, Mixnode]
• Version: [1.1.36 for mixnode and 1.1.34 for gateway but I noticed this behaviour on previous versions as well]

[github-actions]

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