feat: complete Wallonia land cover and terrain sources

frontend/src/lib/datasetCapabilities.ts

@@ -3,6 +3,7 @@ import type { DatasetCreateResponse } from '../types'
 const NON_IMAGERY_RASTER_SOURCES = new Set([
   'department_omgeving_thematic_raster',
   'digitaal_vlaanderen_dhmv',
+  'spw_terrain',
   'vmm_flood_hazard',
   'spw_bathymetry',
   'spw_walous_land_cover',

frontend/src/lib/datasetDisplay.ts

@@ -29,6 +29,7 @@ const DATASET_SOURCE_LABELS: Record<string, string> = {
   digitaal_vlaanderen_orthophoto: 'Digitaal Vlaanderen',
   digitaal_vlaanderen_buildings_addresses_register: 'Digitaal Vlaanderen',
   digitaal_vlaanderen_dhmv: 'Digitaal Vlaanderen',
+  spw_terrain: 'Service public de Wallonie',
   grb: 'GRB',
   historical_landuse: 'Digitaal Vlaanderen',
   inbo_bwk_natura2000: 'INBO',
@@ -54,6 +55,10 @@ export function getDatasetDisplayName(dataset: DatasetCreateResponse): string {
     const productName = dataset.source_metadata?.['product_display_name']
     return typeof productName === 'string' && productName.trim() ? productName : 'DHMV II hoogtemodel'
   }
+  if (dataset.source_name === 'spw_terrain') {
+    const productName = dataset.source_metadata?.['product_display_name']
+    return typeof productName === 'string' && productName.trim() ? productName : 'SPW terreinmodel 2021-2022'
+  }
   if (dataset.source_name === 'vmm_flood_hazard') {
     const productName = dataset.source_metadata?.['product_display_name']
     return typeof productName === 'string' && productName.trim() ? productName : 'VMM-overstromingsscenario'

frontend/src/lib/sourcePortfolio.ts

@@ -199,10 +199,10 @@ export const OFFICIAL_SOURCE_PORTFOLIO: OfficialSourceDefinition[] = [
     owner: 'Digitaal Vlaanderen',
     coverage: 'DTM/DSM, opname 2013-2015',
     value: 'Hoogte, reliëf en helling als gemeten terreinbasis.',
-    metricExamples: 'hoogte m TAW, reliëf en helling in graden',
+    metricExamples: 'hoogte in de regionale verticale referentie, reliëf en helling in graden',
     priority: 'next',
     url: 'https://www.vlaanderen.be/digitaal-vlaanderen/onze-diensten-en-platformen/earth-observation-data-science-eodas/het-digitaal-hoogtemodel/digitaal-hoogtemodel-vlaanderen-ii',
-    matches: (dataset) => sourceNameIs(dataset, 'digitaal_vlaanderen_dhmv'),
+    matches: (dataset) => sourceNameIs(dataset, 'digitaal_vlaanderen_dhmv') || sourceNameIs(dataset, 'spw_terrain'),
   },
   {
     key: 'soil_map',