[Bug] Migrated assets from OG to DB are missing in Publish/Sync

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What Happened?

After migrating a graph from file-based (OG) mode to DB mode, migrated images/assets do not appear in Publish or Sync (shows not published), while they display correctly locally.
Root Cause:
During migration, build-new-asset in deps/graph-parser/src/logseq/graph_parser/exporter.cljs hardcodes :block/page and :block/parent to :logseq.class/Asset (the built-in class page) instead of the actual user page that references the asset.
The publishing filter in deps/publishing/src/logseq/publishing/db.cljs (filter-only-public-pages-and-blocks) only keeps entities whose :block/page points to a public user page. As a result, migrated assets are filtered out and their files are not included in the publish package.
In contrast, assets created by drag-and-drop in DB mode are correctly attached to the current user page and work normally in Publish/Sync.

Reproduce the Bug

Migrate an OG graph containing images to DB format.
Images display normally in the local DB graph.
Publish the graph (using “Only publish public pages” mode).
Migrated images are missing and clik the link will show "Page not published" on the published site.
(Control) Newly drag-and-dropped images in the same DB graph publish correctly.

Expected Behavior

Migrated assets should be attached to the user page(s) that reference them (same as drag-and-drop assets) and be properly included in Publish and Sync outputs.

Screenshots

local:

published:

Desktop or Mobile Platform Information

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Additional Context

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Are you willing to submit a PR? If you know how to fix the bug.

• I'm willing to submit a PR (Thank you!)

Read build-new-asset in deps/graph-parser/src/logseq/graph_parser/exporter.cljs, then trace filter-only-public-pages-and-blocks in deps/publishing/src/logseq/publishing/db.cljs. Compare migrated assets with drag-and-drop assets and verify that assets referenced by public user pages are included in Publish and Sync outputs.