Remove Explorer.databaseAccount (#717)

Co-authored-by: Steve Faulkner <southpolesteve@gmail.com>

src/Explorer/Menus/CommandBar/CommandBarComponentAdapter.tsx

@@ -9,6 +9,7 @@ import * as React from "react";
 import { ReactAdapter } from "../../../Bindings/ReactBindingHandler";
 import { StyleConstants } from "../../../Common/Constants";
 import * as ViewModels from "../../../Contracts/ViewModels";
+import { userContext } from "../../../UserContext";
 import { CommandButtonComponentProps } from "../../Controls/CommandButton/CommandButtonComponent";
 import Explorer from "../../Explorer";
 import * as CommandBarComponentButtonFactory from "./CommandBarComponentButtonFactory";
@@ -39,7 +40,7 @@ export class CommandBarComponentAdapter implements ReactAdapter {
       container.isResourceTokenCollectionNodeSelected,
       container.isHostedDataExplorerEnabled,
       container.isSynapseLinkUpdating,
-      container.databaseAccount,
+      userContext?.databaseAccount,
       this.isNotebookTabActive,
       container.isServerlessEnabled,
     ];