fix(core): more space under page property list (#9269)

packages/frontend/core/src/components/doc-properties/sidebar/styles.css.ts

@@ -7,8 +7,8 @@ export const container = style({
   display: 'flex',
   flexDirection: 'column',
   alignItems: 'stretch',
-  height: '100%',
   paddingTop: '8px',
+  paddingBottom: '64px',
   position: 'relative',
 });