[frontend] ADM-781: fix isDeploymentFrequencyValid logic

[lxuebing]

Summary

highlight next button when the dropdown data is successfully obtained from the interface

Before

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After

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[codacy-production]

Coverage summary from Codacy

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Coverage variation	Diff coverage
✅ +0.00%	✅ ∅

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (2d870c5)	5538	5538	100.00%
Head commit (b9de44e)	11076 (+5538)	11076 (+5538)	100.00% (+0.00%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#1012)	0	0	∅ (not applicable)

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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[github-actions]

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