Dark theme: Fix Contacts menu icons

Signed-off-by: Jan-Christoph Borchardt <hey@jancborchardt.net>

apps/accessibility/css/themedark.scss

@@ -19,6 +19,7 @@ $color-border-dark: lighten($color-main-background, 14%);
 
 #app-navigation > ul > li > a:first-child,
 #app-navigation > ul > li > ul > li > a:first-child,
+#contactsmenu-menu a,
 #expanddiv a {
 	img {
 		filter: invert(100%);
@@ -33,6 +34,12 @@ $color-border-dark: lighten($color-main-background, 14%);
 	}
 }
 
+// No inversion for icons which are already inverted via functions
+#contactsmenu-menu .emptycontent .icon-search,
+#contactsmenu-menu .other-actions.icon-more {
+	filter: none;
+}
+
 .bubble,
 .app-navigation-entry-menu,
 .popovermenu {