Merge pull request #29745 from overleaf/dp-close-button-color

Fix product tour close button color in dark mode

GitOrigin-RevId: 8862b7414ee857497d37a313386229272eb6a28c

services/web/frontend/stylesheets/pages/editor/editor-tour-tooltip.scss

@@ -7,6 +7,10 @@
   --editor-tour-tooltip-link-hover-color: var(--link-ui-hover);
   --editor-tour-tooltip-link-visited-color: var(--link-ui-visited);
 
+  .material-symbols {
+    color: var(--bs-popover-header-color);
+  }
+
   a {
     color: var(--editor-tour-tooltip-link-color);