fixup: pr review corrections

Author: wraithgar

workspaces/arborist/lib/arborist/isolated-reifier.js

@@ -47,7 +47,7 @@ module.exports = cls => class IsolatedReifier extends cls {
       parent: root,
       path: join(this.idealGraph.localPath, location),
       resolved: node.resolved,
-      root: location,
+      root,
     })
     root.children.set(newChild.location, newChild)
     root.inventory.set(newChild.location, newChild)
@@ -402,11 +402,11 @@ module.exports = cls => class IsolatedReifier extends cls {
       deprecated: undefined,
       scripts: dep.package.scripts,
       version: dep.package.version,
-      optional,
     }
     const link = new IsolatedLink({
       location: join(nmFolder, dep.name),
       name: toKey,
+      optional,
       parent: root,
       package: pkg,
       path: join(dep.root.localPath, nmFolder, dep.name),