Fix breadcrumbs

page/src/filesystem-explorer.tsx

@@ -485,7 +485,7 @@ export class FilesystemExplorer extends React.Component<
   _renderBreadcrumbElements() {
     const elements = generateBreadcrumbElements(this.state.path);
 
-    const nodes = elements.map((e, index) => {
+    return elements.map((e, index) => {
       if (index == this.state.path.length) {
         return (
           <BreadcrumbItem key={`breadcrumb-item-${index}`}>
@@ -497,21 +497,15 @@ export class FilesystemExplorer extends React.Component<
       }
 
       const navigate = () => this.setState({ path: e.targetPath });
-      return (
+      return [
         <BreadcrumbItem key={`breadcrumb-item-${index}`}>
           <BreadcrumbLink key={`breadcrumb-link-${index}`} onClick={navigate}>
             {e.node}
           </BreadcrumbLink>
-        </BreadcrumbItem>
-      );
-    });
-
-    return [
-      ...nodes.map((n, index) => [
-        n,
+        </BreadcrumbItem>,
         <BreadcrumbSeparator key={`breadcrumb-separator-${index}`} />,
-      ]),
-    ].slice(0, -1);
+      ];
+    });
   }
 
   _renderBreadCrumb() {