fix: color of UI in dark mode (#3081)

Co-authored-by: boomlion8 <201116201@manit.ac.in>
Co-authored-by: Alex Yang <himself65@outlook.com>
(cherry picked from commit a48726d088)

apps/web/src/components/affine/new-workspace-setting-detail/style.css.ts

@@ -57,16 +57,7 @@ globalStyle(`${urlButton} span`, {
 
 export const fakeWrapper = style({
   position: 'relative',
-  opacity: 0.4,
-  selectors: {
-    '&::after': {
-      content: '""',
-      width: '100%',
-      height: '100%',
-      position: 'absolute',
-      left: 0,
-      top: 0,
-      cursor: 'not-allowed',
-    },
-  },
+  borderRadius: '8px',
+  background: 'var(--affine-white-60)',
+  padding: '10px',
 });