Add search terms to several presets (#1370)

data/presets/barrier/height_restrictor.json

@@ -16,6 +16,7 @@
         "height barrier",
         "height restriction barrier",
         "maxheight",
+        "max height",
         "maximum height measurer"
     ],
     "name": "Height Restrictor"

data/presets/barrier/motorcycle_barrier.json

@@ -12,5 +12,8 @@
     "tags": {
         "barrier": "motorcycle_barrier"
     },
+    "terms": [
+        "motorbike barrier"
+    ],
     "name": "Motorcycle Barrier"
 }