highlight selected trace in session; fix duration (#1003)

Author: dinmukhamedm

frontend/components/traces/sessions-table/columns.tsx

@@ -114,7 +114,7 @@ export const columns: ColumnDef<SessionRow, any>[] = [
         return getDurationString(row.startTime, row.endTime);
       }
 
-      return row.duration.toFixed(3) + "s";
+      return row.duration.toFixed(2) + "s";
     },
     header: "Duration",
     size: 100,

frontend/components/traces/sessions-table/index.tsx

@@ -210,7 +210,7 @@ function SessionsTableContent() {
         data={sessions}
         getRowId={(session) => get(session, ["id"], session.sessionId)}
         onRowClick={handleRowClick}
-        focusedRowId={searchParams.get("sessionId")}
+        focusedRowId={traceId || searchParams.get("traceId")}
         hasMore={hasMore}
         isFetching={isFetching}
         isLoading={isLoading || !shouldFetch}