GNOME-like quick settings for the COSMIC panel: Wi-Fi, Bluetooth, sound, power, toggles and notifications in one menu

Theme-aware gradient backgrounds for COSMIC panels.

Native COSMIC panel applet to switch between analog audio outputs (Speakers / Headphones / Automatic) on HDA Intel PCH hardware. Disables the ALSA Auto-Mute Mode and moves the sink port so audio actually plays through the selected output when the HDA driver arbitrates between ports.