fix: expose WALOUS evolution rasters

frontend/src/lib/datasetCapabilities.ts

@@ -9,6 +9,21 @@ const NON_IMAGERY_RASTER_SOURCES = new Set([
   'spw_walous_land_cover',
 ])
 
+const MAP_RASTER_SOURCES = new Set([
+  'department_omgeving_thematic_raster',
+  'digitaal_vlaanderen_dhmv',
+  'spw_terrain',
+  'vmm_flood_hazard',
+  'spw_bathymetry',
+  'spw_walous_land_cover',
+])
+
+export function isMapRasterDataset(dataset: DatasetCreateResponse): boolean {
+  return dataset.dataset_type === 'raster'
+    && dataset.status === 'ready'
+    && MAP_RASTER_SOURCES.has(dataset.source_name ?? '')
+}
+
 export function isDetectionImageryDataset(dataset: DatasetCreateResponse): boolean {
   if (dataset.dataset_type !== 'raster' || dataset.status !== 'ready') {
     return false