fix: Merge pull request #1036 from pelias/improve-place-query

Corrrectly filter /place queries by layer

controller/place.js

@@ -38,7 +38,7 @@ function setup( apiConfig, esclient ){
     const cmd = req.clean.ids.map( function(id) {
       return {
         _index: apiConfig.indexName,
-        _type: id.layers,
+        _type: id.layer,
         _id: id.id
       };
     });

test/unit/controller/place.js

@@ -51,11 +51,11 @@ module.exports.tests.success = (test, common) => {
         ids: [
           {
             id: 'id1',
-            layers: 'layer1'
+            layer: 'layer1'
           },
           {
             id: 'id2',
-            layers: 'layer2'
+            layer: 'layer2'
           }
         ]
       },