[#50578475] Add a flag to the volunteer table so we can know when an
image is defined. Move styling to consistently use the css file. Correct
the flicker on the edit link by wrapping image and control in a div, and
using mouseenter/mouseleave instead of mouseover/mouseout
[#50578475] more styling tweaks to volunteer image
[#50578475] the badge can't be generated before the image is uploaded.
Move the checks to be consistently serverside
[#50578475] set the flag when uploading a volunteer image