Style: Adjust behaviour of indeterminate ProgressBar
Style: Adjust behaviour of indeterminate ProgressBar

- [x] Change animation from 2.0 to 1.6 seconds
- [x] Change translate from 350% to 300%
- [x] Set bar width to 33%

Bug: T307456
Change-Id: I88caed36f058599863603fbf4883e7fd6948a00f

wikimedia/oojs-ui,wikimedia/oojs-ui,wikimedia/oojs-ui,wikimedia/oojs-ui