[chronojump] On runEncoder cannot capture, show device big button

[Xavier de Blas <xaviblas src gnome org>]

commit dd48ab6850239e0a637dbd00d06cd9406c2f909c
Author: Xavier de Blas <xaviblas gmail com>
Date:   Tue Jul 12 16:14:37 2022 +0200

    On runEncoder cannot capture, show device big button

 src/gui/app1/runEncoder.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/src/gui/app1/runEncoder.cs b/src/gui/app1/runEncoder.cs
index f8f82b67d..3ecce1bf2 100644
--- a/src/gui/app1/runEncoder.cs
+++ b/src/gui/app1/runEncoder.cs
@@ -1725,8 +1725,11 @@ public partial class ChronoJumpWindow
 
                                if(runEncoderProcessCancel)
                                        event_execute_label_message.Text = "Cancelled.";
-                               else
+                               else {
                                        event_execute_label_message.Text = runEncoderNotConnectedString;
+                                       button_detect_show_hide (true); // show the detect big button
+                               }
+
                                LogB.Information(" re C cancel 2");
                        }
                        else