CNeutrinoApp: rework switch handling for channallist paint

In some cases it is advantageous if you can override paint of channellist,
e.g.  if RC_ok is shared with other window handlers.
In such cases will so could be avoided.

src/neutrino.h

@@ -105,7 +105,8 @@ private:
 	int tvsort[LIST_MODE_LAST];
 	int radiosort[LIST_MODE_LAST];
 
-	bool				channellist_visible;
+	bool				channelList_allowed;
+	bool				channelList_painted;
 	int				first_mode_found;
 
 	void SDT_ReloadChannels();
@@ -219,8 +220,9 @@ public:
 	void saveEpg(bool cvfd_mode);
 	void stopDaemonsForFlash();
 	int showChannelList(const neutrino_msg_t msg, bool from_menu = false);
+	void allowChannelList(bool allow){channelList_allowed = allow;}
 	CPersonalizeGui & getPersonalizeGui() { return personalize; }
-	bool getChannellistIsVisible() { return channellist_visible; }
+	bool getChannellistIsVisible() { return channelList_painted; }
 	void zapTo(t_channel_id channel_id);
 	bool wakeupFromStandby(void);
 	void standbyToStandby(void);