[sub-issue] add notification that masking part started

[Grochman]

Add some sort of notification for user that masking will start with short description. If there is no info user may think that it is some kind of error

[DawidGlazik]

We should also place some information about the current ear on the screen. You have that knowledge during real hearing test.

[Grochman]

We should also place some information about the current ear on the screen. You have that knowledge during real hearing test.

agree! Also prevents putting headphones on the wrong way

[DawidGlazik]

We could also consider placing a blinking red dot or animated text such as "In progress..." to signal to the user that the test is ongoing even when they can't hear any sound.