feat(runtime-vapor): use shallow clone to support shallowRef in v-for

[zhiyuanzmj]

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Using the rows.slice() (shallow copy) to replaced the rows, only the content inside v-for hasn't changed, which is inconsistent with the behavior of the Virtual DOM.
So I created a shallow clone for the item when the source is a not a reactive object .

This PR may not be the best solution, but I can’t find other solutions. If you can resolve it, you can turn it off at will.

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commit: f019b7d