Fix misc point cloud ogre helper bounds issues#1644

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c-andy-martin wants to merge 4 commits intoros-visualization:noetic-develfrom

BadgerTechnologies:fix-misc-point-cloud-bounds

Commits on Jul 1, 2021

ogre helpers point_cloud: fix bounding radius bug
C. Andy Martin
committed
ogre helpers point_cloud: fix bug in getSquaredViewDepth
C. Andy Martin
committed
ogre helpers point_cloud: calculate bounding radius
C. Andy Martin
committed
ogre helpers point_cloud: add size into bounds
C. Andy Martin
committed