Add clear map function

frontend/src/lib/components/AdventureModal.svelte

@@ -295,6 +295,7 @@
 				activity_type: ''
 			}
 		];
+		if (adventure.type == 'visited') {
 			let res = await fetch(
 				`/api/countries/check_point_in_region/?lat=${e.detail.lngLat.lat}&lon=${e.detail.lngLat.lng}`
 			);
@@ -310,6 +311,10 @@
 					region_name = null;
 				}
 			}
+		} else {
+			region_id = null;
+			region_name = null;
+		}
 
 		console.log(markers);
 	}