Change quarkus.smallrye-graphql.field-visibility to a runtime property

[jmartisk]

Describe the bug

quarkus.smallrye-graphql.field-visibility is fixed at build time, but there's no real reason for it, because we only use it during the bootstrap phase at runtime

Expected behavior

No response

Actual behavior

No response

How to Reproduce?

No response

Output of uname -a or ver

No response

Output of java -version

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Quarkus version or git rev

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Build tool (ie. output of mvnw --version or gradlew --version)

No response

Additional information

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[quarkus-bot[bot]]

/cc @Ladicek (smallrye), @phillip-kruger (graphql,smallrye), @radcortez (smallrye)

[jmartisk]

fixed via https://github.com/quarkusio/quarkus/pull/44044