ConfigProvider: Even when it's unnecessary, KebabCase&snakeCase parse the key to lowercase.

[wi101]

For a configuration that uses kebabCase that has a map with keys that have hexadecimal digits separated by colons. There is a Missing data error while reading the configuration because the keys were converted to lowerCase even it was unnecessary.

Example:

example {
  keys {
    "01:23:45:67:89:AB": "tak"
  }
}

Error:

Missing data at example.keys.01:23:45:67:89:ab: Expected example.keys.01:23:45:67:89:ab to be set in properties.
`

[wi101]

I realised that the current implementation of kebab case is correct, it is expected to make the whole path lowercase, the issue is when the keys of a Map get changed, which supposed to be treated as constant values.

Example:

example {
 settings {
   "01:23:45:67:89:AB": "value1"
 }
}

  final case class ExampleConf(settings: Map[String, String])

[wi101]

@jdegoes Could you verify if this is a real issue or not?
#8740 (comment)
Sorry for the noise I wasn't sure who to ping

[jdegoes]

/bounty $100

@wi101 Looks like a real issue to me!

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Attempt	Started (GMT+0)	Solution
🟢 @987Nabil		#8878

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