coordinate operations when selecting operations
This is the closest equivalent for the existing "hide deprecated"
checkbox which is available in proj < 6 builds.
Requires Proj >= 6.2
Many scopes/remark cross reference these, so by showing them in the
table of available operations we give users more clues how to pick
the correct one.
- Show area of use information, which gives users much more context
and clues for selecting the right transform from the list
- Fix missing scope and remarks for single operations