Progress bar improvement

[BandanSaowarot]

Is your feature request related to a problem? Please describe.
Yes, the wavy progress bar of this app has a seam and it's end isn't rounded.

Describe the solution you'd like
Improve the design of the wavy peogress bar, it's end should be rounded and seamlessly.

Describe alternatives you've considered
This request includes the default progress bar changing, see a screenshot for an example on what will be changed.

Additional context

• I will open one issue per request, follow the issue format and will add [FR] to the start of my issue title, and I acknowledge that if I don't follow the format, my issue might get closed without further explanation.