feat: use ReadonlyArray in props

[xiaoxiangmoe]

Our data types are immutable and we can't use rc-table unless we use .slice() to clone data and convert it to mutable array.

<Tabledata={myImmutableArray.slice()}/>

But the implementation of rc-table does not rely on mutable array, it should be immutable.

So I change the props types of rc-table to immutable array such that I can use

<Tabledata={myImmutableArray}/>

related issue: NG-ZORRO/ng-zorro-antd#6156 (comment)

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[codecov]

Codecov Report

Merging #574 (1b7b4d6) into master (4cf7ec0) will not change coverage.
The diff coverage is 100.00%.

@@ Coverage Diff @@## master #574 +/- ##
=======================================
Coverage 99.87% 99.87% =======================================
Files 26 26 Lines 803 803 Branches 224 234 +10 =======================================
Hits 802 802 Misses 1 1 

Impacted Files	Coverage Δ
src/Body/index.tsx	100.00% <ø> (ø)
src/ColGroup.tsx	100.00% <ø> (ø)
src/Header/Header.tsx	100.00% <ø> (ø)
src/Header/HeaderRow.tsx	100.00% <ø> (ø)
src/context/BodyContext.tsx	100.00% <ø> (ø)
src/context/TableContext.tsx	100.00% <ø> (ø)
src/utils/fixUtil.ts	100.00% <ø> (ø)
src/Body/BodyRow.tsx	100.00% <100.00%> (ø)
src/Header/FixedHeader.tsx	100.00% <100.00%> (ø)
src/Table.tsx	100.00% <100.00%> (ø)
... and 3 more

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[zombieJ]

CI failed. use readonly T[] instead.

[zombieJ]

还有 2 个 error 哈~

[xiaoxiangmoe]

@zombieJ fixed

[zombieJ]

不要用 @ts-expect-error，其实只要处理入口的 readonly 就够了，内部很多 param 没有必要改成 readOnly 的

[xiaoxiangmoe]

@zombieJ 内部的也需要一起改，否则就需要进行强制类型转换了。

（顺便一提，这个地方没法写得类型安全，在 ts 4.1.2 是可以写成 function toArray<T>(arr: T | readonly T[]): readonly T[]通过编译的，但是 4.1.3 undo 了这个 PR)

microsoft/TypeScript#39258

[zombieJ]

https://www.typescriptlang.org/play?#code/JYOwLgpgTgZghgYwgAgIJSnAngYQPYgDOYUArgmHlMgN4BQyjywh6mWAFHFAOYBcyAEoQ4AEwIAbLG2wAeOCCwA+ZAB9kCrAEoB3Hs0JCR4kFJlZ5ilUzoBfOnRikQFYAWSVzsgCpKuGAW81ZChjSSxkbwBtAF0dELDTCOiY2gYmYBhkf2oAXnzkZ1EIGFAIUTV1bjyCkFIJCS00phaEsFIoEGRYgG50xnt+to6u8wA6FnMcrQB+DQDu6pi+2yA

[zombieJ]

其实我觉得入口强转一下也 ok，内部其实也不是特别在乎。那就覆盖一下定义吧

[zombieJ]

+ rc-table@7.12.4

[xiaoxiangmoe]

@zombieJ 我提一下 antd 的 PR