The flipped Objects was disappear...

[Jandou6]

Version

1.7.0

Test Case

http://fabricjs.com/

Steps to reproduce

1.the flipped objects (flipX or flipY) has been selected,the selected area includes a normal object.

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2. click other area to cancel the selected area, the flipped objects has disappear.

Expected Behavior

when i cancel the selected area,nothing will be disappear

Actual Behavior

when i cancel the selected area,all the flipped objects will disappear.