Fix timeLabel regex to match decimal values like "45.5 sec"

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/components/Discover/Map/SidebarState.vue

@@ -523,7 +523,7 @@ function timeLabel(time) {
   // sonar-qube prevent super-linear runtime due to backtracking; change * to ?
   //
   const label = getTimeLabel(time).replace(/\s+/g, " "); // Collapse all consecutive whitespace into a single space
-  const result = label.match(/^(\d+)\s?([a-zA-Z]+)$/); // add ^ and $ to meet sonar-qube need
+  const result = label.match(/^([\d.]+)\s?([a-zA-Z]+)$/); // add ^ and $ to meet sonar-qube need
   return result;
 }