fix: sync sidebar notebook counts after note creation

Add triggerRefresh() call after note creation in both masonry (home-client)
and tabs (notes-tabs-view) modes so NotebooksContext reloads notebook counts.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

memento-note/components/notes-tabs-view.tsx

@@ -352,6 +352,7 @@ export function NotesTabsView({ notes, onEdit, currentNotebookId }: NotesTabsVie
         if (!newNote) return
         setItems((prev) => [newNote, ...prev])
         setSelectedId(newNote.id)
+        triggerRefresh()
       } catch {
         toast.error(t('notes.createFailed') || 'Impossible de créer la note')
       }