feat: make catalog-pages dedup a choosable step in Fix alles

The maintenance "Fix alles" now has a checkbox to include or skip the
duplicate catalog_pages merge, so admins can choose whether to run it.
removeDuplicates takes an includePages flag and fixEverything threads it
through to the action.

src/actions/furni-maintenance.ts

@@ -99,12 +99,12 @@ export async function applyAlignIdsAction(): Promise<
 	}
 }
 
-export async function fixEverythingAction(): Promise<
-	ActionResult<maintenance.FixAllResult>
-> {
+export async function fixEverythingAction(input?: {
+	dedupePages?: boolean;
+}): Promise<ActionResult<maintenance.FixAllResult>> {
 	try {
 		await guard();
-		return actionOk(await maintenance.fixEverything());
+		return actionOk(await maintenance.fixEverything(input ?? {}));
 	} catch (e) {
 		return handleActionError(e);
 	}