fix: correct boolean default value handling in templates

[redscholar]

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[kubesphere-prow]

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[sonarqubecloud]

Quality Gate passed

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[gemini-code-assist]

Code Review

This pull request refactors the handling of boolean flags in templates, specifically for TLS verification and storage class enablement, by moving away from the default filter in favor of explicit key checking or direct property access. It also introduces default storage class configurations for local and NFS providers and removes redundant conditional checks in task execution. I have no feedback to provide.