[LUM-905] Millions WebApp -> Prepare INJ Pool

[greedyboi]

CAREFUL

NumbersUtils.convertUnitNumber function signature has changed:

• New signature: export const convertUnitNumber = (nb: number | string, fromDenom = MICRO_LUM_DENOM, fromMinimalDenom = true): number
• Because of specific handling of INJ (they don't have a minimal denom and uses exponent), we needed to modify this function and ensure that first it doesn't break anything for classic minimalDenom handling, and as a result, now we must provide the fromDenom (can be undefined and if so we treat it like ulum) and if you want to use it the other way (minimalDenom to normalDenom) you must set the last parameter fromMinimalDenom to false.

[github-actions]

Visit the preview URL for this PR (updated for commit f57d16d):

https://lum-network-millions--pr67-feature-lum-905-y05ywmxf.web.app

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