Wrong log level in admin-tool Quarkus configuration.

[snazy]

Describe the bug

#1598 configured the global log level to WARNING, which is not listed in the Quarkus docs.

Further, it's a global log level, not just the one for the console.

To Reproduce

No response

Actual Behavior

No response

Expected Behavior

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Additional context

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System information

No response

[dimas-b]

Since it's a recent change and UX is probably impacted, marking this as a 1.0 blocker