fix(pro:transfer): fix tree transfer labelKey and getKey functionality both flattened and normal

[sallerli1]

fix(pro:tranfer): fix tree expand when getKey provided

BREAKING CHANGE: TransferBindings now provide getRowKey as ComputedRef

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines
• Tests for the changes have been added/updated or not needed
• Docs and demo have been added/updated or not needed

What is the current behavior?

1. flat-target-tree 时，labelKey不起作用
2. getRowKey提供时，tree的展开失效
3. children 为空数组时，节点变为禁用状态

What is the new behavior?

修复以上问题

Other information

通过 inject 注入以自定义修改的数据 TransferBindings 提供的 getRowKey 改为计算属性
getRowKey改为使用 components/utils 中的实现

[idux-bot]

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[codecov]

Codecov Report

Merging #958 (38db993) into main (5fffb9b) will increase coverage by 0.00%.
The diff coverage is 98.73%.

@@           Coverage Diff           @@
##             main     #958   +/-   ##
=======================================
  Coverage   92.76%   92.76%           
=======================================
  Files         692      691    -1     
  Lines       67811    67853   +42     
  Branches     7931     7929    -2     
=======================================
+ Hits        62904    62947   +43     
+ Misses       4907     4906    -1     

Impacted Files	Coverage Δ
.../transfer/src/composables/useTransferTableProps.ts	81.25% <83.33%> (ø)
...kages/pro/transfer/src/content/ProTransferList.tsx	92.38% <85.71%> (-1.74%)	⬇️
...ents/_private/checkable-list/src/CheckableList.tsx	93.60% <100.00%> (+0.05%)	⬆️
...es/components/_private/checkable-list/src/types.ts	100.00% <100.00%> (ø)
packages/components/transfer/src/Transfer.tsx	100.00% <100.00%> (ø)
...ts/transfer/src/composables/useTransferBindings.ts	100.00% <100.00%> (ø)
...onents/transfer/src/composables/useTransferData.ts	99.47% <100.00%> (-0.01%)	⬇️
...nsfer/src/composables/useTransferDataStrategies.ts	100.00% <100.00%> (ø)
.../transfer/src/composables/useTransferOperations.ts	93.18% <100.00%> (-0.64%)	⬇️
.../components/transfer/src/list/TransferListBody.tsx	94.49% <100.00%> (ø)
... and 6 more

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