site(e2e): wait for empty workspaces (#9987)

site/e2e/global.setup.ts

@@ -14,4 +14,6 @@ test("create first user", async ({ page }) => {
 
   await expect(page).toHaveURL(/\/workspaces.*/);
   await page.context().storageState({ path: STORAGE_STATE });
+
+  await page.getByTestId("button-select-template").isVisible();
 });

site/src/pages/WorkspacesPage/WorkspacesTable.tsx

@@ -112,6 +112,7 @@ export const WorkspacesTable: FC<WorkspacesTableProps> = ({
                       to="/templates"
                       startIcon={<AddOutlined />}
                       variant="contained"
+                      data-testid="button-select-template"
                     >
                       Select a Template
                     </Button>