Fix detailedmetar api and add checking for potential missing keys

[ckelley-1992]

Updated the metar app to utilize the new Data API from Aviation Weather. The old API was deprecated and fully decommissioned in Sept 2025.

[tidbyt]

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	Test	Details
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🟡	Original Author	The original author (SamuelSagarino) does not match the PR author (ckelley-1992)

[tmsteen]

Nice! I just created a local branch to start on this, happy to see someone else got to it first.