fix(client): Deck UIにおいて、重ねたカラムの片方を畳んだ状態で右に出すと表示が壊れる問題を修正

Fix #7867

src/client/ui/deck/deck-store.ts

@@ -219,10 +219,20 @@ export function stackLeftColumn(id: Column['id']) {
 export function popRightColumn(id: Column['id']) {
 	let layout = copy(deckStore.state.layout);
 	const i = deckStore.state.layout.findIndex(ids => ids.includes(id));
+	const affected = layout[i];
 	layout = layout.map(ids => ids.filter(_id => _id !== id));
 	layout.splice(i + 1, 0, [id]);
 	layout = layout.filter(ids => ids.length > 0);
 	deckStore.set('layout', layout);
+
+	const columns = copy(deckStore.state.columns);
+	for (const column of columns) {
+		if (affected.includes(column.id)) {
+			column.active = true;
+		}
+	}
+	deckStore.set('columns', columns);
+
 	saveDeck();
 }