Keep the Decorative Text ribbon button two lines wide

The one-line label widened the Insert tab enough to scroll the Equation button
out of view at 1400 px, which broke the equation editor tests in CI.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

crates/ui-egui/src/ribbon/insert.rs

@@ -208,7 +208,9 @@ pub(super) fn insert(app: &mut SheetApp, ui: &mut Ui) {
     if __k.clicked() {
         act(app, "insert.textBox", json!({}));
     }
-    let wa = big_button(ui, Icon::WordArt, "Decorative Text", "Decorative Text", true);
+    // Two lines like its neighbours, so the Insert tab stays as wide as before; the translated label is split, the catalog key is one line.
+    let label = app.ui.language.tr("Decorative Text").replacen(' ', "\n", 1);
+    let wa = big_button(ui, Icon::WordArt, &label, "Decorative Text", true);
     anchor_keytip(app, ui, &wa, &["insert.wordArt"]);
     // Menu invocation shows the style gallery; the command itself never opens a dialog.
     egui::Popup::menu(&wa).show(|ui| crate::wordart::gallery(app, ui));