Fix null from match() crash in formatMaxTwo

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

src/module/setChartData.js

@@ -262,7 +262,7 @@ export function formatMaxTwo(times) {
   const formattedTimes = [];
   for (let time of times) {
     // Match numbers and units (days, hours, minutes, seconds); assume numbers have at most 10 digits
-    let units = time.match(/\d{1,10}[dhms]/g);
+    let units = time.match(/\d{1,10}[dhms]/g) || [];
     let formattedTime = "";
     let count = 0;