feat(cms): extract all-releases grid as embeddable ALL-tab component (9.8.B)

CmsAllReleasesGrid self-loads the cross-medium release list so 8.A can host it as the ALL tab with no VM plumbing; TrackList's Albums mode renders it now. Preserves sort/delete/expand/edit and the 8.D Type chip.

DeepDrftManager/Components/Pages/Tracks/CmsAlbumBrowser.razor

@@ -125,14 +125,15 @@ else
     private List<AlbumRow> _rows = new();
 
     // Tracks the Releases reference last projected into _rows. Guards against OnParametersSet
-    // resurrecting a row we removed locally on delete: VM.Albums is cached for the circuit and is
-    // not re-fetched after a delete, so a blind rebuild every render would bring the deleted album
-    // back. We only re-project when the parent hands us a genuinely new list.
+    // resurrecting a row we removed locally on delete: while the parent holds the same Releases
+    // instance (e.g. a mid-operation re-render under IsDeleting, before any refresh hands us a new
+    // list), a blind rebuild every render would bring the deleted row back. We only re-project when
+    // the parent hands us a genuinely new list.
     private IReadOnlyList<ReleaseDto>? _projectedReleases;
 
     // Re-project rows only when the parent supplies a genuinely new release list (reference change).
     // Local edits to _rows (a removed row after delete) must survive re-renders triggered by the
-    // same cached VM.Albums instance.
+    // same Releases instance.
     protected override void OnParametersSet()
     {
         if (!ReferenceEquals(_projectedReleases, Releases))
@@ -245,7 +246,7 @@ else
 
     // Delete an orphaned release (0 live tracks) via the release endpoint. Mirrors the track-cascade
     // delete path's row lifecycle: confirm, guard with IsDeleting, then remove the row and notify the
-    // parent so the cached VM.Albums stays in sync with what is shown.
+    // parent so its release list stays in sync with what is shown.
     private async Task ConfirmAndDeleteEmptyReleaseAsync(AlbumRow row)
     {
         var confirmed = await DialogService.ShowMessageBox(