* c_str() needed for pretty debug logs (to not log integers which means nothing)
* std::string operator needed to log not only message, ale it's content
if provided (similar to __repr__ from pytohon
* [EGD-558][fix] change error to info
* [EGD-558] added volume control of currently active audio operation
* [EGD-558] added ringing on incoming call
* [EGD-558] mini clean up in callwindow
* [EGD-558] removed reinterpret_casts and added some logging
* [EGD-558] rewritten methods to increment/decrement volume
* [EGD-558] clean up
* [EGD-558] moved volume control to application class
added nullptr checks
* [EGD-558] fixed types
* [EGD-558] added some audio debug logs
* [EGD-558] left a comment why ringing sound is currently disabled
* [EGD-558] PR fixes
* [EGD-558] PR fix
* [EGD-558] added propper error codes on pointer checking in Audio.cpp
* changed all fonts to follow one `Style.hpp` include
* Moved title to AppWindow from all the places in code
* added logging on font selection - when not found
* minor fixes