lsp.client: Fix breadcrumb rendering

After the document symbols are collected, they also need to be added
to the result list. Before this change the result was ignored.

Author: matthiasblaesing

ide/lsp.client/src/org/netbeans/modules/lsp/client/bindings/BreadcrumbsImpl.java

@@ -90,7 +90,7 @@ public void run(List<LSPBindings> servers, FileObject file) {
                              capa -> Utils.isEnabled(capa.getDocumentSymbolProvider()),
                              () -> new DocumentSymbolParams(new TextDocumentIdentifier(Utils.toURI(file))),
                              (server, params) -> server.getTextDocumentService().documentSymbol(params),
-                             (server, result) -> result.stream().map(this::toDocumentSymbol).forEach(symbols -> Pair.of(server, symbols)));
+                             (server, result) -> allSymbols.add(Pair.of(server, result.stream().map(this::toDocumentSymbol).toList())));
 
         this.rootElement = new RootBreadcrumbsElementImpl(file, doc, allSymbols);