Revert "fix UI for mute button"

This reverts commit f7498bc13f07368207751994fabf3b2a72ccde94.
Revert "enable mute button and shortcut keybind"

This reverts commit c342d48bfa65850afccb33cc99ae61d628be6820.
Merge pull request #157 from otiai10/feature/revert-mute

Feature/revert mute