fix: theme dark scss timeline-parent-open

Author: ddevsr

admin/css/debug-toolbar/_theme-dark.scss

@@ -150,6 +150,10 @@
         .timer {
             background-color: $g-orange;
         }
+
+        .timeline-parent-open td {
+            color: #252525;
+        }
     }
 }
 

system/Debug/Toolbar/Views/toolbar.css

@@ -647,6 +647,9 @@
 #toolbarContainer.dark #debug-bar .timeline .timer {
   background-color: #DD8615;
 }
+#toolbarContainer.dark #debug-bar .timeline .timeline-parent-open td {
+  color: #252525;
+}
 #toolbarContainer.dark .debug-view.show-view {
   border-color: #DD8615;
 }