change default highway value for golf cart paths to "path"

and show the access field (as for all highway based presets), so users can set respective further access details

data/presets/golf/cartpath.json

@@ -12,8 +12,8 @@
     },
     "addTags": {
         "golf": "cartpath",
-        "golf_cart": "designated",
-        "highway": "service"
+        "highway": "path",
+        "golf_cart": "designated"
     },
     "name": "Golf Cartpath"
 }

data/presets/golf/path.json

@@ -5,6 +5,7 @@
         "surface",
         "width",
         "structure",
+        "access",
         "incline"
     ],
     "geometry": [