chore: replace side drawer boxShadow with border

Author: kevinkim-ogp

packages/frontend/src/components/Editor/styles.ts

@@ -35,7 +35,8 @@ export const editorStyles = {
     position: 'absolute' as FlexProps['position'],
     bg: 'white',
     borderRadius: 'none',
-    boxShadow: 'lg',
+    borderLeftWidth: '1px',
+    borderLeftColor: 'base.divider.medium',
     opacity: 0,
     right: 0,
     minWidth: EDITOR_RIGHT_DRAWER_WIDTH,