core ui progress bar improvement

[ChengYanJin]

Component: progressbar

What happened: As shown in the screenshot, the text inside the progress bar is not vertically centered. progress bar color should be confirmed progress bar animation should be reviewed @Cuervino

What was expected: the text inside the progress bar should be vertically centered.

Steps to reproduce

Resolution proposal (optional):

[Cuervino]

Pending new proposal (we think that the text might be better OUTSIDE of the progress bar, for better visibility).