Add option to show modified timestamp on shared docs (#9347)

* Add showLastModified option to Share models

- Add showLastModified column to shares table with migration
- Add showLastModified field to client and server Share models
- Add 'Show last modified' toggle in share popover (PublicAccess component)
- Update shares.update API route to handle showLastModified field
- Include share data in documents.info API response for shared documents
- Modify DocumentMeta visibility logic to show timestamp when showLastModified is enabled
- Add proper type definitions across component hierarchy
- Follow existing patterns used by allowIndexing option

* Applied automatic fixes

* refactor

---------

Co-authored-by: codegen-sh[bot] <131295404+codegen-sh[bot]@users.noreply.github.com>
Co-authored-by: Tom Moor <tom@getoutline.com>

server/models/Share.ts

@@ -114,6 +114,14 @@ class Share extends IdModel<
   @Column
   domain: string | null;
 
+  @Default(true)
+  @Column
+  allowIndexing: boolean;
+
+  @Default(false)
+  @Column
+  showLastUpdated: boolean;
+
   // hooks
 
   @BeforeUpdate
@@ -185,10 +193,6 @@ class Share extends IdModel<
   @Column(DataType.UUID)
   documentId: string;
 
-  @Default(true)
-  @Column
-  allowIndexing: boolean;
-
   revoke(ctx: APIContext) {
     const { user } = ctx.context.auth;
     this.revokedAt = new Date();