simplified map

Author: Diana Khortiuk

src/clients/entitlements/storage/in-memory/mappers/sources.mapper.ts

@@ -93,15 +93,10 @@ export class SourcesMapper {
       user_entitlements: new Map(),
       tenant_entitlements: new Map(),
       features: new Map(
-        [...unbundledFeaturesIds.values()]
-          .map((fId) => {
-            const featSource = featuresMap.get(fId);
-            if (!featSource) {
-              return null;
-            }
-            return [featSource.key, featSource] as [string, FeatureSource];
-          })
-          .filter((item): item is [string, FeatureSource] => item !== null),
+        Array.from(unbundledFeaturesIds.values())
+          .map((fId) => featuresMap.get(fId))
+          .filter((featSource): featSource is FeatureSource => featSource !== undefined)
+          .map((featSource) => [featSource.key, featSource]),
       ),
     });