1.0.0b15

• feature: Add MTC (MIDI Time Code) support for group cues
• feature: Add a "D" badge in the deck for cues with ducking enabled
• improvement: Improve the MTC Monitor framerate
• improvement: Improve the background color of group cues
• improvement: Rework the Active Cues panel layout
• fix: Ducking in audio cues
• fix: Pre/post-wait active state and current time being wrongly saved in the project file
• fix: Volume of audio and playlist cues launched while another cue is ducking
• fix: Status arrow height in the deck for normal and group cues