fix(editor): Restore animation duration units for design system dialogs (#27320)

Author: heymynameisrob

packages/frontend/@n8n/design-system/src/css/_primitives.scss

@@ -216,8 +216,8 @@
 	--height--3xl: 3.5rem; /** 56px **/
 	--height--4xl: 4rem; /** 64px **/
 	--height--5xl: 6rem; /** 96px **/
-	--duration--snappy: 0.15;
-	--duration--base: 0.3;
+	--duration--snappy: 0.15s;
+	--duration--base: 0.3s;
 	--easing--ease-out: cubic-bezier(0.215, 0.61, 0.355, 1);
 	--easing--ease-in: cubic-bezier(0.55, 0.055, 0.675, 0.19);
 	--easing--ease-in-out: cubic-bezier(0.645, 0.045, 0.355, 1);