When you create a feature request, you also have to vote for it. Note that you can remove votes from other requests to free them up.
As for the request itself, I’ll see if this is something we can do.
Here’s a workflow for geotagging your photos from the field: https://forum.inaturalist.org/t/geotagging-photos/66 I find it much easier than manually adding locations to observations.
Also, note that you can “pin” locations in the web uploader: https://www.inaturalist.org/pages/video+tutorials#add_web