feat: operationalize Flemish land and nature themes

frontend/src/hooks/useMapThemeSelectionInsights.ts

@@ -6,7 +6,7 @@ import { terrainSelectionToMapSelection } from '../lib/terrainSelection'
 import { floodHazardSelectionToMapSelection } from '../lib/floodHazardSelection'
 import { thematicRasterSelectionToMapSelection } from '../lib/thematicRaster'
 
-export type MapThemeAcquisitionKind = 'thematic_raster' | 'dhmv' | 'flood_hazard' | 'grb'
+export type MapThemeAcquisitionKind = 'thematic_raster' | 'dhmv' | 'flood_hazard' | 'grb' | 'official_vector'
 
 export interface MapThemeAcquisition {
   kind: MapThemeAcquisitionKind
@@ -92,10 +92,15 @@ export function useMapThemeSelectionInsights<TThemeId extends string>(
                       ...commonPayload,
                       product_key: acquisition.productKey,
                     })
-                  : await datasetsApi.acquireGrb(selectedProjectId, {
-                      ...commonPayload,
-                      product_key: acquisition.productKey as 'buildings' | 'roads' | 'water' | 'parcels',
-                    })
+                  : acquisition.kind === 'grb'
+                    ? await datasetsApi.acquireGrb(selectedProjectId, {
+                        ...commonPayload,
+                        product_key: acquisition.productKey as 'buildings' | 'roads' | 'water' | 'parcels',
+                      })
+                    : await datasetsApi.acquireOfficialVector(selectedProjectId, {
+                        ...commonPayload,
+                        product_key: acquisition.productKey,
+                      })
             if (acquisitionJob.status !== 'success' || !acquisitionJob.output_dataset_id) {
               throw new Error(
                 acquisitionJob.error_message