Tree presets fields: Update icons to temaki

Missed those in ee03ee5

Author: tordans

data/fields/leaf_type.json

@@ -11,8 +11,8 @@
         }
     },
     "icons": {
-        "broadleaved": "maki-park",
-        "needleleaved": "roentgen-needleleaved_tree"
+        "broadleaved": "temaki-tree_broadleaved",
+        "needleleaved": "temaki-tree_needleleaved"
     },
     "autoSuggestions": false,
     "customValues": false