Fix Try Selector in Mapped Tasks also on Index 0 (#43590) Backport (#…

…43591)

* Fix Try Selector in Mapped Tasks also on Index 0

(cherry picked from commit 1c3d555)

* Review Feedback, direct commit

Co-authored-by: Brent Bovenzi <brent.bovenzi@gmail.com>

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Co-authored-by: Brent Bovenzi <brent.bovenzi@gmail.com>

airflow/www/static/js/api/useTIHistory.ts

@@ -48,7 +48,7 @@ export default function useTIHistory({
         .replace("_DAG_RUN_ID_", dagRunId)
         .replace("_TASK_ID_", taskId);
 
-      if (mapIndex && mapIndex > -1) {
+      if (mapIndex !== undefined && mapIndex > -1) {
         tiHistoryUrl = tiHistoryUrl.replace("/tries", `/${mapIndex}/tries`);
       }