Table Column resizer height issue

Please refer the attachment here. I am facing an issue with the column resizer. I believe I need to specify a fixed height to this resizer component by CSS. But when my table has one column where header text coming in 2 lines, the resizer does not cover the full height. In that case the resizer is appearing in different places (vertically) in different columns.

Any idea how we can resolve this. Thanks in advance
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