Changes:
* Use "geopoint" when not referring to the literal field type
* Use "geoshape" when not referring to the literal field type or query type
* Use "GeoJSON" consistently
Changes:
* Moves `Retrieve selected fields` to its own page and adds a title abbreviation.
* Adds existing script and stored fields content to `Retrieve selected fields`
* Adds a xref for `Retrieve selected fields` to `Search your data`
* Adds related redirects and updates existing xrefs
