Fix placeholders set during enter selection not finding input element

Also remove unhelpful placeholder from access_simple.json

data/presets.yaml

@@ -74,8 +74,6 @@ en:
       access_simple:
         # access=*
         label: Allowed Access
-        # access_simple field placeholder
-        placeholder: 'yes'
       access_toilets:
         # access=*
         label: Access

data/presets/fields.json

@@ -3,7 +3,6 @@
         "key": "access",
         "type": "combo",
         "label": "Allowed Access",
-        "placeholder": "yes",
         "options": [
             "permissive",
             "private",

data/presets/fields/access_simple.json

@@ -2,6 +2,5 @@
     "key": "access",
     "type": "combo",
     "label": "Allowed Access",
-    "placeholder": "yes",
     "options": ["permissive", "private", "customers", "no"]
 }

dist/locales/en.json

@@ -650,8 +650,7 @@
         },
         "fields": {
             "access_simple": {
-                "label": "Allowed Access",
-                "placeholder": "yes"
+                "label": "Allowed Access"
             },
             "access_toilets": {
                 "label": "Access"

modules/ui/fields/combo.js

@@ -11,6 +11,7 @@ export {
     combo as multiCombo,
     combo as networkCombo
 };
+
 export function combo(field, context) {
     var dispatch = d3.dispatch('change'),
         isMulti = (field.type === 'multiCombo'),
@@ -187,7 +188,8 @@ export function combo(field, context) {
             ph = field.placeholder() || placeholders.slice(0, 3).join(', ');
         }
 
-        input.attr('placeholder', ph + '…');
+        container.selectAll('input')
+            .attr('placeholder', ph + '…');
     }