Fix indexField query to not crash if no indexes (#23628)

* do not crash if you do not have indexes for the indexfield

* do not return an empty arrays if one of the indexes are here

* no need to break the code here

x-pack/plugins/infra/server/lib/adapters/fields/framework_fields_adapter.ts

@@ -19,10 +19,19 @@ export class FrameworkFieldsAdapter implements FieldsAdapter {
     indices: string[]
   ): Promise<IndexFieldDescriptor[]> {
     const indexPatternsService = this.framework.getIndexPatternsService(request);
-    const response = await indexPatternsService.getFieldsForWildcard({
-      pattern: indices,
-    });
-
-    return response;
+    const IndexFieldResponses = await Promise.all(
+      indices.map(indice =>
+        indexPatternsService.getFieldsForWildcard({ pattern: indice }).catch(error => {
+          if (error && error.output && error.output.statusCode === 404) {
+            return [];
+          }
+          throw error;
+        })
+      )
+    );
+    return IndexFieldResponses.reduce(
+      (indexFields, indexFieldResponse) => [...indexFields, ...indexFieldResponse],
+      [] as IndexFieldDescriptor[]
+    );
   }
 }