Sparkline shows non-integer numbers on hover with data smoothing enabled

[mootari]

Describe the bug

The data correction settings in the stats modal also affect the sparkline. Hovering over an intermediate data point while smoothing is set to e.g. 2 produces fractional numbers:

Additional context

No response

Logs

[ghostdevv]

this is a bug right? @graphieros

[graphieros]

@ghostdevv yes, I fixed it in #2537, saw it too while I was fixing the i18n data label formatting for the sparklines of the compare page.