fix(studio): count pages, not items, in organize-imports button

The "Create" CTA used totalSelected (the sum of furni items across
approved groups) as its plural count, so with many imported items it
claimed to create thousands of pages. One approved group creates exactly
one page, so the label now counts approved groups instead.

src/components/admin/studio/organize-imports-dialog.tsx

@@ -229,6 +229,13 @@ export function OrganizeImportsDialog({
 		[groups, approved],
 	);
 
+	// One approved group becomes exactly one page, so the "Create … pages"
+	// label must count groups, not the furni items inside them.
+	const selectedGroupsCount = useMemo(
+		() => groups.filter((g) => approved[g.name]).length,
+		[groups, approved],
+	);
+
 	const parentOptions = useMemo(() => {
 		const options: RootPage[] = [];
 		for (const p of rootPages) {
@@ -980,7 +987,7 @@ export function OrganizeImportsDialog({
 							)}
 							{moveMode
 								? t("move", { count: totalSelected })
-								: t("create", { count: totalSelected })}
+								: t("create", { count: selectedGroupsCount })}
 						</Button>
 					</div>
 				</DialogContent>