NaviGuidancePrompt

UseCase: User wants to change the guidance prompts setting
Action: Changes guidance prompt setting by predefined value
Arguments:
guidancePrompt: PFGuidancePrompt
Postcondition: Audio setting will be applied
If argGuidancePrompt is PFGuidancePrompt:Unmute - Audio for route guidance will be unmuted
If argGuidancePrompt is PFGuidancePrompt:Mute - Audio for route guidance will be muted