Add cursor-pointer to label icon picker

frontend/src/questions/components/LabelIconPicker.css

@@ -21,6 +21,7 @@
 :local(.option) {
     composes: p1 from "style";
     composes: flex layout-centered from "style";
+    composes: cursor-pointer from "style";
     border: 1px solid transparent;
     width: 50px;
     height: 50px;