Update switch styles for Material theme

[StefanIvanov]

Enabled off should use gray 500 for the track instead of 600
Enabled off should use gray 50 for the thumb instead of 200

Disabled on should use secondary 50 for the track with no opacity instead of gray 300 with 54%
Disabled on should use secondary 100 for the thumb instead of gray 400

Disabled off should use gray 300 for the track with no opacity instead of having a 54% opacity
Disabled off should use gray 200 for the thumb instead of 400