fix: pass RichObjectParameter properties as strings

- follow-up to 8e3ae02, but for popup menu. Valid since Nextcloud 22, maybe was blocked a bit later

Signed-off-by: Maksim Sukharev <antreesy.web@gmail.com>

Author: Antreesy

src/components/map/ClickSearchPopup.vue

@@ -116,8 +116,8 @@ export default {
 			const object = {
 				id: 'geo:' + this.latLng.lat + ',' + this.latLng.lng,
 				name: this.formattedAddress,
-				latitude: this.latLng.lat,
-				longitude: this.latLng.lng,
+				latitude: this.latLng.lat.toString(),
+				longitude: this.latLng.lng.toString(),
 			}
 			action.callback(object)
 		},