consolidate duplicate names/terms by using new cross-references

data/fields/building/levels_building.json

@@ -2,7 +2,7 @@
     "key": "building:levels",
     "type": "number",
     "minValue": 0,
-    "label": "Building Levels",
+    "label": "{building/levels}",
     "placeholder": "2, 4, 6...",
     "prerequisiteTag": {
         "key": "building",

data/fields/payment_multi_fee.json

@@ -1,7 +1,7 @@
 {
     "key": "payment:",
     "type": "multiCombo",
-    "label": "Payment Types",
+    "label": "{payment_multi}",
     "prerequisiteTag": {
         "key": "fee",
         "valueNot": "no"