Fix ticks prices decimals

[NicolasMahe]

This PR fixes the number of decimals used to calculate the ticks' prices.

It was harcoded to use only 4 decimals, now it uses the token's decimals.

The tick's price1 is used to calculate the TVL locked amount0. The loss of precision is causing the amount0 to be incorrectly calculated.

https://github.com/Uniswap/uniswap-v3-info/blob/93eaaf001dbcc4981c3605f2ac8ad3593e310f8c/src/components/DensityChart/index.tsx#L162

I also replaced the formatting of prices that used toLocaleString with formatAmount(priceX, 4)

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