Use tabular-nums for BPM display
Currently, the BPM display uses proportional-spaced digits, which results in it jumping around a bit as the user moves the slider. This MR enables the tabular-nums font variant to fix this.
Currently, the BPM display uses proportional-spaced digits, which results in it jumping around a bit as the user moves the slider. This MR enables the tabular-nums font variant to fix this.