Change conditions for cyclestreets so that traffic sign hiding works differently

assets/themes/cyclestreets/cyclestreets.json

@@ -99,11 +99,19 @@
       "source": {
         "osmTags": {
           "and": [
-            "cyclestreet=yes",
-            "traffic_sign="
+            "cyclestreet=yes"
           ]
         }
       },
+      "isShown": {
+        "render": "yes",
+        "mappings": [
+          {
+            "if": "id!~way/.*",
+            "then": "no"
+          }
+        ]
+      },
       "description": {
         "nl": "Een fietsstraat is een straat waar gemotoriseerd verkeer een fietser niet mag inhalen."
       },