fix(visual): make cursor a pointer for summaries (#9419)

Co-authored-by: Šimon Brandner <[email protected]>

Author: zooster

res/css/_common.pcss

@@ -183,6 +183,10 @@ fieldset {
     border: none;
 }
 
+summary {
+    cursor: pointer;
+}
+
 legend {
     padding-inline: unset;
     border: none;