[Duplicacy] Clean up of various elements

[rg9400]

On the dashboard chart, you've inverted the chart, but it leads to the colors of the various line graphs to not match the legend. Removing the invert messes up the axis and the grid

#chartStorages,
#chartBackups {
    filter: invert(100);
}

In Storages and Backups, you'd end up with cards on top of cards. This might be resulting in some visual quirks with the charts

I was also unsure of how to fix the progress bars found when you backup/restore/run a schedule, though the default one isn't too far off in Organizr-Dark

Last one I couldn't fix was the mobile selected tab arrow is flipped on the sidebar menu, and the one from theme.park is appearing as well

[GilbN]

is this one okay now?

[rg9400]

Looks good to me

[GilbN]

Nice!