fix: simplify official source labels

frontend/src/components/datasets/SourceCatalogPanel.tsx

@@ -1,4 +1,5 @@
 import type { DatasetCreateResponse } from '../../types'
+import { getDatasetSourceDisplayName } from '../../lib/datasetDisplay'
 
 interface SourceCatalogPanelProps {
   datasets: DatasetCreateResponse[]
@@ -139,7 +140,7 @@ export function SourceCatalogPanel({ datasets }: SourceCatalogPanelProps): JSX.E
       otherMethodCount: matches.length - comparableObservations.length,
       firstYear: years.length ? Math.min(...years) : null,
       lastYear: years.length ? Math.max(...years) : null,
-      source: latest?.source_name ?? latest?.source ?? null,
+      source: latest ? getDatasetSourceDisplayName(latest) : null,
     }
   })
 
@@ -159,7 +160,7 @@ export function SourceCatalogPanel({ datasets }: SourceCatalogPanelProps): JSX.E
           <article className="source-catalog-card" key={theme.theme}>
             <div>
               <strong>{theme.label}</strong>
-              <span>{theme.source ? theme.source.replaceAll('_', ' ') : 'Nog niet ingeladen'}</span>
+              <span>{theme.source ?? 'Nog niet ingeladen'}</span>
             </div>
             <b>{theme.datasetCount > 0 ? 'Beschikbaar' : 'Ontbreekt'}</b>
             <p>{timelineSummary(

frontend/src/lib/datasetDisplay.ts

@@ -7,15 +7,22 @@ const DATASET_LABEL_BY_LAYER: Record<string, string> = {
   parcels: 'Percelen',
   population: 'Bevolking',
   forest: 'Bos en groen',
+  nature_value: 'Natuurwaarde',
+  agriculture: 'Landbouwgebruikspercelen',
   regional_boundary: 'Grens vervoerregio Kempen',
   municipality_boundaries: 'Gemeentegrenzen Kempen',
 }
 
 const DATASET_SOURCE_LABELS: Record<string, string> = {
   department_omgeving_land_use: 'Departement Omgeving',
+  agentschap_landbouw_zeevisserij_agricultural_parcels: 'Agentschap Landbouw en Zeevisserij',
+  digitaal_vlaanderen_orthophoto: 'Digitaal Vlaanderen',
   grb: 'GRB',
+  historical_landuse: 'Digitaal Vlaanderen',
+  inbo_bwk_natura2000: 'INBO',
   statbel: 'Statbel',
   vrbg: 'Digitaal Vlaanderen',
+  waterinfo: 'Waterinfo Vlaanderen',
 }
 
 export function getDatasetSourceDisplayName(dataset: DatasetCreateResponse): string {