feat(core): add default group and order (#12526)

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

- **New Features**
  - Added default sorting and grouping by "Last Updated" for document views.
  - Introduced clearer group headers for documents grouped by creation or update date, displaying relative dates or appropriate fallback text.

- **Improvements**
  - Enhanced date grouping headers with capitalized, user-friendly text and improved handling of missing dates.
  - Added a new localization for "Never updated" to improve clarity in document groupings.
  - Initialized document update timestamps at creation to improve date accuracy.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/frontend/i18n/src/i18n.gen.ts

@@ -7144,6 +7144,10 @@ export function useAFFiNEI18N(): {
       * `Unchecked`
       */
     ["com.affine.all-docs.group.is-not-checked"](): string;
+    /**
+      * `Never updated`
+      */
+    ["com.affine.all-docs.group.updated-at.never-updated"](): string;
     /**
       * `core`
       */

packages/frontend/i18n/src/resources/en.json

@@ -1782,6 +1782,7 @@
   "com.affine.all-docs.group.is-not-journal": "Not Journal",
   "com.affine.all-docs.group.is-checked": "Checked",
   "com.affine.all-docs.group.is-not-checked": "Unchecked",
+  "com.affine.all-docs.group.updated-at.never-updated": "Never updated",
   "core": "core",
   "dark": "Dark",
   "invited you to join": "invited you to join",