feat(search): coordinates and bundled presets resolve keyless (#572)

Supersedes #388 by @KuraPiee, ported onto the current component layout with fixes from review.

Verified before merge: format, package boundaries, unit suite, build, and the browser tracking suite; a browser harness for the change where one applies; adversarial review applied.

Co-authored-by: KuraPiee <[email protected]>

src/search/index.js

@@ -7,3 +7,9 @@ export {
 } from './http.js';
 export { createPhotonGeocoder } from '../keylessGeocoder.js';
 export { createDefaultPlaceSearch } from './defaults.js';
+export { createCoordinateGeocoder } from './coordinateGeocoder.js';
+export { createPresetGeocoder } from './presetGeocoder.js';
+export {
+  parseCoordinateQuery,
+  formatCoordinateLabel,
+} from './coordinateParser.js';