[chronojump] On change person, selectedJumpRj/selectedRunInterval = null. To avoid show graph on clicking rel_abs

[Xavier de Blas <xaviblas src gnome org>]

commit 838359b89bfa53f6a4a13f007365e19638eeb16d
Author: Xavier de Blas <xaviblas gmail com>
Date:   Thu Apr 21 16:45:41 2022 +0200

    On change person, selectedJumpRj/selectedRunInterval = null. To avoid show graph on clicking rel_abs

 src/gui/app1/chronojump.cs | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/src/gui/app1/chronojump.cs b/src/gui/app1/chronojump.cs
index 354d4c299..77e27d7dd 100644
--- a/src/gui/app1/chronojump.cs
+++ b/src/gui/app1/chronojump.cs
@@ -1369,6 +1369,10 @@ public partial class ChronoJumpWindow
                myTreeViewRuns.SelectPerson(currentPerson.Name);
                myTreeViewRunsInterval.SelectPerson(currentPerson.Name);
 
+               //remove the selected jumpRj, runI
+               selectedJumpRj = null;
+               selectedRunInterval = null;
+
                //1) change on jumps, runs, pulse capture graph
                if(current_mode == Constants.Modes.JUMPSSIMPLE)
                {