[release-1.28] fix: don't use account search cache in RandomMatchingAccount mode

[k8s-infra-cherrypick-robot]

This is an automated cherry-pick of #1309

/assign andyzhangx

fix: don't use account search cache in RandomMatchingAccount mode

[k8s-ci-robot]

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[k8s-ci-robot]

@k8s-infra-cherrypick-robot: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-azurefile-csi-driver-e2e-capz-windows-2019	b88d0ba	link	true	/test pull-azurefile-csi-driver-e2e-capz-windows-2019
pull-azurefile-csi-driver-e2e-capz-windows-2019-hostprocess	b88d0ba	link	true	/test pull-azurefile-csi-driver-e2e-capz-windows-2019-hostprocess

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[andyzhangx]

/retest