fix(ui): identicon in dark mode

Author: Guillaume Chau

packages/@vue/cli-ui/src/components/ItemLogo.vue

@@ -146,6 +146,9 @@ export default {
       border-radius 0
 
   &.identicon
+    filter brightness(90%) contrast(115%)
+    .vue-ui-dark-mode &
+      filter invert(100%) brightness(180%) contrast(70%)
     .wrapper
       background white
     .image