Steps to Reproduce

1. scroll down to make row 10 the 1st visible row
2. enlarge the chart by dragging its bottom border
   

Current Result

the chart's height shrinks

Expected Result

the chart's height becomes higher

Debug Information

• any resize (enlarge or shrink) will produce an unexpected size
• if you don't scroll down the sheet, this bug doesn't happen.
• scrolling a sheet right also produces a similar bug

Workaround