fix(editor): adjust black and white in shape text color palettes to pure black and pure white (#10450)

Closes: [BS-2697](https://linear.app/affine-design/issue/BS-2697/检查shape-text-color黑白不映射的pr合并状态)

https://github.com/user-attachments/assets/732612e9-5e43-453f-aef2-5f32f5a08614

tests/kit/src/utils/setting.ts

@@ -29,6 +29,10 @@ export async function openAboutPanel(page: Page) {
   await page.getByTestId('about-panel-trigger').click();
 }
 
+export async function openEditorInfoPanel(page: Page) {
+  await page.getByTestId('header-info-button').click();
+}
+
 export async function openExperimentalFeaturesPanel(page: Page) {
   await page.getByTestId('experimental-features-trigger').click();
 }