refactor(editor): remove global types in config (#10143)

Closes: [BS-2554](https://linear.app/affine-design/issue/BS-2554/remove-global-types-in-block-config)

blocksuite/affine/block-code/src/code-block.ts

@@ -32,6 +32,7 @@ import { classMap } from 'lit/directives/class-map.js';
 import type { ThemedToken } from 'shiki';
 
 import { CodeClipboardController } from './clipboard/index.js';
+import { CodeBlockConfigExtension } from './code-block-config.js';
 import { CodeBlockInlineManagerExtension } from './code-block-inline.js';
 import type { CodeBlockService } from './code-block-service.js';
 import { codeBlockStyles } from './styles.js';
@@ -383,7 +384,8 @@ export class CodeBlockComponent extends CaptionedBlockComponent<
 
   override renderBlock(): TemplateResult<1> {
     const showLineNumbers =
-      this.std.getConfig('affine:code')?.showLineNumbers ?? true;
+      this.std.getOptional(CodeBlockConfigExtension.identifier)
+        ?.showLineNumbers ?? true;
 
     return html`
       <div