fix(module: tree): fix IList DataSource
cannot be modify in place
#3275
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🤔 This is a ...
🔗 Related issue link
Possible #2896
💡 Background and solution
In #2507,
Tree#DataSource
andTree#ChildrenExpression
are changed toIEnumerable
making modifying DataSource in place not possible. This issue is currently present in Tree demo draggable page at the time of writing.This PR aims to fix this by skipping
ToList()
call when theDataSource
is IList in both TreeNodeChildDataItems
andGetParentChildDataItems
.Additionally, some test cases are added to verify it.
📝 Changelog
☑️ Self Check before Merge