Fixed LTM Chart to show Events on Phases and Season end date

Events ocurring on Season end date were not showing
Seasons ending, but not starting, on chart date range were not considered when looking for events
Fixes GoldenCheetah#2620

src/Charts/LTMPlot.cpp

@@ -4028,10 +4028,9 @@ LTMPlot::refreshMarkers(LTMSettings *settings, QDate from, QDate to, int groupby
 
         foreach (Season s, tmpSeasons) {
             /* if (s.type != Season::temporary && s.name != settings->title && s.getStart() >= from && s.getStart() < to) { */
-            if (s.getStart() >= from && s.getStart() < to) {
+            if ((s.getStart() >= from && s.getStart() <= to) || (s.getEnd() >= from && s.getEnd() <= to)) {
             foreach (SeasonEvent event, s.events) {
-
-                if (event.date > from && event.date < to) {
+                if (event.date >= from && event.date <= to) {
 
                     // and the events...
                     QwtIndPlotMarker *mrk = new QwtIndPlotMarker;