fix: not to judge null data as coordinate chart

[jung-han]

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• It's submitted to right branch according to our branching model
• It's right issue type on title
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Description

• A problem occurs when calculating the x, y coordinates by judging null data with a coordinate chart.

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[jungeun-cho]

리뷰완료합니다.
seriesData모듈 setSeriesData에 대한 액션에서 해당 내용의 TC도 추가되면 좋을것같습니다!ㅎㅎ

[lja1018]

리뷰완료합니다.