Displaying the "Mute" flag on the display

[Pako2]

I noticed the incorrect display of the "Mute" flag on the display. This display is only true if the mute function is controlled by a rotary encoder. On the contrary, in the case of using the remote control or the web interface, the display of the "Mute" flag does not correspond to the actual situation. I could handle this problem myself, but I would like my code to be as little different from the official version as possible. I already have too many of those differences. Then it is very difficult to incorporate the news in the official version into my modified code. I'm not even 100% sure (only 99%) that the described behavior also occurs on devices with the official version of the code... If not, then I'm very sorry for reporting a bug that doesn't exist!