Checking to see if this is used anywhere in the project, we see that it
is not:
$ ag imagePopUpLowRezDim
ui/widgets/imagepopup.go
13: imagePopUpLowRezDim = 128
Checking to see if this is used anywhere in the project, we see that it
is not:
$ ag imagePopUpLowRezDim
ui/widgets/imagepopup.go
13: imagePopUpLowRezDim = 128