gh-13716: Fixed greyed out urlbar text color (gh-13727)

src/zen/common/styles/zen-omnibox.css

@@ -119,6 +119,9 @@
 
 #urlbar .urlbar-input {
   border-radius: 0 !important;
+}
+
+#urlbar:not([breakout-extend="true"]) .urlbar-input {
   color: color-mix(in srgb, var(--input-color, FieldText) 70%, transparent);
 }