Fix values computation in the info bar

[BoboTiG]

There is a mismatch with the Rust version: when displaying the info bar, our version is computing values using the visible candle set. Actually, it should rather use the main candle set.

Our version (incorrect):

py-candlestick-chart/src/candlestick_chart/info_bar.py

Line 68 in f4bf797

def render(self, candle_set: "CandleSet") -> str:

Rust version (correct): https://github.com/Julien-R44/cli-candlestick-chart/blob/9ea785c1a9fe5e2357bfe1411150ad0a7e009135/src/info_bar.rs#L19