fix geographic browse so pagination preserves sort/per page options [#60544204]
consolidate duplicate code for world/US data coverage maps [#68467138]
remove debugging print statement
fix variable name, tweak logic to only use db match when exactly 1 is found [#64421978]
include country codes by continent to allow highlighting continents on data coverage map [#68467138]
better handling for tagged geo coverage terms where a geographic browse url can't be generated [#68549406]
ensure continents get loaded in location db for consistency [#64421978]