Add margin around symbol palette beta badge (#4152)

GitOrigin-RevId: 8bca77bab60c7fd7fd787c4dea91de6e3189c696

services/web/frontend/stylesheets/app/editor/symbol-palette.less

@@ -22,6 +22,11 @@
   background: @symbol-palette-header-background;
 }
 
+.symbol-palette-header .beta-badge {
+  margin-right: @margin-xs;
+  margin-left: @margin-xs;
+}
+
 .symbol-palette-tab-list[data-reach-tab-list] {
   background: none;
   border-bottom: none;