Revert "Remove 'show on map' for now"

This reverts commit 46cb676822.

package.json

@@ -76,6 +76,7 @@
     "@types/escape-html": "^1.0.1",
     "@types/http-link-header": "^1.0.3",
     "@types/jest": "^28.1.4",
+    "@types/leaflet": "^1.8.0",
     "@types/lodash": "^4.14.180",
     "@types/object-assign": "^4.0.30",
     "@types/object-fit-images": "^3.2.3",
@@ -139,6 +140,7 @@
     "intl-pluralrules": "^1.3.1",
     "is-nan": "^1.2.1",
     "jsdoc": "~3.6.7",
+    "leaflet": "^1.8.0",
     "libphonenumber-js": "^1.10.8",
     "line-awesome": "^1.3.0",
     "localforage": "^1.10.0",