feat(az): reverse match

[tleepa]

Prerequisites

• I have read and understood the [contributing guide][CONTRIBUTING.md].
• The commit message follows the [conventional commits][cc] guidelines.
• Tests for the changes have been added (for bug fixes / features).
• Docs have been added/updated (for bug fixes / features).

Description

This PR allows AZ segment to show information from PowerShell module first and then from Azure CLI, if the former does not exist.

[JanDeDobbeleer]

@tleepa there's a smarter way to go about this by only leveraging the source keyword. If you allow it to also accept a pipe split string, it could look like this by default: "source": "cli|pwsh" and use "source": "pwsh|cli" to do what you want without an additional property. That would mean that firstmatch is deprecated and needs to default to pwsh|cli

[tleepa]

Frankly speaking, I am not a developer, and definitely not familiar with the go code, and I will not be able to make suggested changes.
Shall I drop this PR and raise a feature request instead?

[JanDeDobbeleer]

I'll address that here so you can have an opportunity to learn. Pretty cool you did this then though 👏🏻

[tleepa]

Let's be honest this change was not the rocket science 😉
Nevertheless, I appreciate your interest in this "feature" 😄

[JanDeDobbeleer]

@all-contributors please add @tleepa for code, docs

This is pure magic 🪄! @holopin-bot @tleepa wizard

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[allcontributors]

@JanDeDobbeleer

I've put up a pull request to add @tleepa! 🎉