Tableview build_table_data，width aotu changed

[tuyouyu]

Desktop (please complete the following information):

When using Tableview, I encountered the following problem: when calling the build_table_data method, I used a pack layout. After calling the build method, the table width will change. What is the reason for this? With one table on each side

Describe the bug

When using Tableview, I encountered the following problem: when calling the build_table_data method, I used a pack layout. After calling the build method, the table width will change. What is the reason for this? With one table on each side

To Reproduce

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Expected behavior

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Screenshots

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Additional context

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