Returns errors only when all integration calls fail

Updates integration result handling to return an error only if all integration calls fail, allowing partial successes to be returned even when some calls encounter errors.

Improves resilience and user feedback by ensuring that failures in some integrations do not prevent successful results from being delivered.

(#4492, #4748)

Author: sergeibbb

src/plus/integrations/integrationService.ts

@@ -792,29 +792,27 @@ export class IntegrationService implements Disposable {
 		}
 
 		const results = await Promise.allSettled(promises);
-
+		const successfulResults = [
+			...flatten(
+				filterMap(results, r =>
+					r.status === 'fulfilled' && r.value != null && r.value?.error == null ? r.value.value : undefined,
+				),
+			),
+		];
 		const errors = [
 			...filterMap(results, r =>
 				r.status === 'fulfilled' && r.value?.error != null ? r.value.error : undefined,
 			),
 		];
-		if (errors.length) {
+		if (errors.length > 0 && successfulResults.length === 0) {
 			return {
 				error: errors.length === 1 ? errors[0] : new AggregateError(errors),
 				duration: Date.now() - start,
 			};
 		}
 
 		return {
-			value: [
-				...flatten(
-					filterMap(results, r =>
-						r.status === 'fulfilled' && r.value != null && r.value?.error == null
-							? r.value.value
-							: undefined,
-					),
-				),
-			],
+			value: successfulResults,
 			duration: Date.now() - start,
 		};
 	}