fix(editor): support relative image reference path when importing zip with images (#12264)

Closes: [BS-3385](https://linear.app/affine-design/issue/BS-3385/markdown类型的导入，支持media文件和md文件不在同目录的情况)

<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit

- **New Features**
  - Added utility functions to resolve and normalize image file paths in markdown and HTML imports.
  - Introduced middleware to provide full file path context during file import and transformation.
  - Added new types for improved asset and file management in zip imports.

- **Refactor**
  - Centralized and simplified image processing logic across HTML, Markdown, and Notion HTML adapters for improved maintainability.
  - Enhanced type safety and clarity in file and asset handling during zip imports.

- **Tests**
  - Added comprehensive tests for image file path resolution utility.

- **Documentation**
  - Improved inline code comments explaining file path resolution logic.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

blocksuite/affine/shared/src/adapters/middlewares/file-path.ts

@@ -0,0 +1,14 @@
+import type { TransformerMiddleware } from '@blocksuite/store';
+
+export const FULL_FILE_PATH_KEY = 'fullFilePath';
+
+/**
+ * Middleware to set the full file path of the imported file
+ * @param filePath - The full file path of the imported file
+ * @returns A TransformerMiddleware that sets the full file path of the imported file
+ */
+export const filePathMiddleware = (filePath: string): TransformerMiddleware => {
+  return ({ adapterConfigs }) => {
+    adapterConfigs.set(FULL_FILE_PATH_KEY, filePath);
+  };
+};

blocksuite/affine/shared/src/adapters/middlewares/index.ts

@@ -2,6 +2,7 @@ export * from './code';
 export * from './copy';
 export * from './doc-link';
 export * from './file-name';
+export * from './file-path';
 export * from './paste';
 export * from './proxy';
 export * from './replace-id';