ui/map: fix wrong remaining time (#28960)

selfdrive/ui/qt/maps/map.cc

@@ -548,9 +548,8 @@ void MapETA::updateETA(float s, float s_typical, float d) {
                         : std::array{eta_t.toString("h:mm a").split(' ')[0], eta_t.toString("a")};
 
   // Remaining time
-  auto time_t = QDateTime::fromTime_t(s);
-  auto remaining = s < 3600 ? std::array{time_t.toString("m"), tr("min")}
-                            : std::array{time_t.toString("h:mm"), tr("hr")};
+  auto remaining = s < 3600 ? std::array{QString::number(int(s / 60)), tr("min")}
+                            : std::array{QString("%1:%2").arg((int)s / 3600).arg(((int)s % 3600) / 60, 2, 10, QLatin1Char('0')), tr("hr")};
   QString color = "#25DA6E";
   if (s / s_typical > 1.5) color = "#DA3025";
   else if (s / s_typical > 1.2) color = "#DAA725";