add current_landuse_source data field

app/src/frontend/building/data-containers/use.tsx

@@ -52,13 +52,13 @@ const UseView: React.FunctionComponent<CategoryViewProps> = (props) => (
             onChange={props.onChange}
         />
         <SelectDataEntry
-            title={dataFields.date_source.title}
+            title={dataFields.current_landuse_source.title}
             slug="use_source"
             value={props.building.date_source}
             mode={props.mode}
             copy={props.copy}
             onChange={props.onChange}
-            tooltip={dataFields.date_source.tooltip}
+            tooltip={dataFields.current_landuse_source.tooltip}
             placeholder=""
             options={[
                 "Expert knowledge of building",

app/src/frontend/config/data-fields-config.ts

@@ -193,6 +193,12 @@ export const dataFields = { /* eslint-disable @typescript-eslint/camelcase */
         tooltip: "Land use Order as classified by [NLUD](https://www.gov.uk/government/statistics/national-land-use-database-land-use-and-land-cover-classification)",
         example: "",
     },
+    current_landuse_source: {
+        category: Category.LandUse,
+        title: "Source of information",
+        tooltip: "Source for the current land use",
+        example: "",
+    },
 
     building_attachment_form: {
         category: Category.Type,