Social Facility preset improvements

(closes #3702)

* Add `social facility` field
* Make sure Social Facility presets have both `social_facility` and `social_facility:for`
* Change `social_facility:for` from radio to combo, because so many choices

data/presets/fields/social_facility.json

@@ -0,0 +1,5 @@
+{
+    "key": "social_facility",
+    "type": "combo",
+    "label": "Type"
+}

data/presets/fields/social_facility_for.json

@@ -1,23 +1,5 @@
 {
     "key": "social_facility:for",
-    "type": "radio",
-    "label": "People served",
-    "placeholder": "Homeless, Disabled, Child, etc",
-    "options": [
-    	"abused",
-    	"child",
-    	"disabled",
-    	"diseased",
-    	"drug_addicted",
-    	"homeless",
-    	"juvenile",
-    	"mental_health",
-    	"migrant",
-    	"orphan",
-    	"senior",
-    	"underprivileged",
-    	"unemployed",
-    	"victim"
-    ]
-
-} 
+    "type": "combo",
+    "label": "People Served"
+}