fix: handlers used to work after "exec sh" command

feature: hot key for "exec sh"

grid.go

@@ -116,6 +116,10 @@ func Display() bool {
 		menu = LogMenu
 		ui.StopLoop()
 	})
+	ui.Handle("/sys/kbd/e", func(ui.Event) {
+		menu = ExecSh
+		ui.StopLoop()
+	})
 	ui.Handle("/sys/kbd/o", func(ui.Event) {
 		menu = SingleView
 		ui.StopLoop()

menus.go

@@ -27,6 +27,7 @@ var helpDialog = []menu.Item{
 	{"[r] - reverse container sort order", ""},
 	{"[o] - open single view", ""},
 	{"[l] - view container logs ([t] to toggle timestamp when open)", ""},
+	{"[e] - exec sh", ""},
 	{"[S] - save current configuration to file", ""},
 	{"[q] - exit ctop", ""},
 }
@@ -219,6 +220,11 @@ func ExecSh() MenuFn {
 		return nil
 	}
 
+	ui.DefaultEvtStream.ResetHandlers()
+	defer ui.DefaultEvtStream.ResetHandlers()
+	ui.StopLoop()
+	defer ui.Loop()
+
 	// Reset colors && clear screen && run sh
 	cmdName := fmt.Sprintf("echo '\033[0m' && clear && docker exec -it %s sh", c.GetMeta("name"))
 	cmd := exec.Command("bash", "-c", cmdName)