[v3-3-test] Fix conn-fields check crash for nested provider packages (#70224)

[Lee-W]

(cherry picked from commit c578603)

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[Lee-W]

ideally, we shouldn't need this one but we might sometimes backport PR with provider changes and core-change. so backport this for preventing unexpected CI failure

[vatsrahul1001]

@Lee-W looks like we have some conflicts

[Lee-W]

opps, didn't notice it. let me fix it now