fix(block): 新建区块保存后发布区块，发布无效

[betterdancing]

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PR

PR Checklist

Please check if your PR fulfills the following requirements:

• [x] The commit message follows our Commit Message Guidelines
• [ ] Tests for the changes have been added (for bug fixes / features)
• [ ] Docs have been added / updated (for bug fixes / features)
• [ ] Built its own designer, fully self-validated

PR Type

What kind of change does this PR introduce?

• [ ] Bugfix
• [ ] Feature
• [ ] Code style update (formatting, local variables)
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] CI related changes
• [ ] Documentation content changes
• [ ] Other... Please describe:

Background and solution

What is the current behavior?

新建区块发布失败，发布时获取区块schema为空

Issue Number: N/A

What is the new behavior?

新建区块发布成功，发布时可正常获取区块schema

Does this PR introduce a breaking change?

• [x] Yes
• [ ] No

Other information