Theme fix.

crates/theme/src/dark.css

@@ -73,6 +73,7 @@ button:active, button.primary:active, button.square:active, toggle-button:active
 button:disabled, toggle-button:disabled {
     background: #e5e5e5;
     color: #333333;
+    icon-color: #333333;
 }
 
 button.square {