Grid Inline Editing on list type don't work.

[fei1rain]

Short description
Grid Inline Editing on list type don't work.

W2UI Demos > Grid > GRID BASIC > Inline Editing

What is current behavior
w2ui.es6.min.js:533 Uncaught TypeError: query(...).find(...).focus is not a function
at HTMLDivElement. (w2ui.es6.min.js:533:1023)
(익명) @ w2ui.es6.min.js:533

What is desired behavior
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Link to jsfidle/codepan with sample code
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Steps to reproduce or sample
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