Fix: Fix a bug when the hostname label of a node does not match the node name, pods bound to a PV with nodeAffinity using the hostname may be scheduled to the wrong node or experience scheduling failures.

[dongjiang1989]

ref: kubernetes/kubernetes#127584

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[dongjiang1989]

/cc @hwdef @Monokaix PTAL

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/cc @hwdef @Monokaix PTAL

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