Fix cloud innerbox

[gavin-ts]

Summary

The cloud shape has multiple inner boxes to use depending on the aspect ratio of the content, but getInnerBox was selecting which one with its own aspect ratio instead of the aspect ratio of its content.
This updates the cloud shape so that getInnerBox returns the correct one.

Details

• fixes fix cloud shape innerBox selection #1735
• adds cloud_shaped_grid test
• saves aspect ratio of cloud's content upon creation for getInnerBox to use
• inside label positions were also affected by this

before/after

shaped_grid_position cloud before/after

with old bounding box + incorrect positioning

with new bounding box + correct positioning

contentAspectRatio is now saved for cloud shapes

e2ereport

the 3 different innerBoxes for reference