Ref: Swap crypto

[Gamboster]

In this PR:

• Refactor amount limits to be able to see them inside the Amount modal
• New maximum button "MAX" inside the Amount modal
  = Behavior of the "MAX" button:

• If Changelly's maxLim > wallet's max => Make a "Send max" for the wallet
• If Changelly's maxLim < wallet's max => Set Changelly's maxLim as the amount to send
• If Changelly's minLim > wallet's max => "Not enough funds" message is displayed
• If the "MAX" button is shown => Hide the previous "Send max" from the upper right corner in the Amount modal

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• Now the user can make swaps between any coin supported by Changelly:

• The walletFrom selection modal remains as it was, showing only the currencies that have wallets with funds enabled for swapping.
• Refactor of the walletTo selection modal in which the list of all chains/tokens supported as destination of a swap is shown.

= Behavior of the walletTo selection modal:

• If the user selects a coin for which he already has wallets => Show the wallet selector by Key
• If the user selects a coin (not a token) for which he does not have any wallet => Show the Keys selector => Create a wallet in the selected Key => He must back up the key if necessary.
• If the user selects a token for which he does not have any wallet but does not have an ETH wallet that can be associatedWallet => Show the Keys selector => Creates an ETH wallet in the selected Key and associates it with the selected token => He must back up the key if necessary.
• If the user selects a token for which he does not have any wallet but does have an ETH wallet that can be associatedWallet => Show the ETH Wallets selector to select the associated wallet => Create a wallet of the selected token and associate it with ETH selected

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Fix: Some changelly tokens change their names arbitrarily. For each particular case there must be a translation to be able to support it within our app. For example:

In the ERC20 network:
USDT => It is called USDT20 by changelly

On the Matic network:
matic => It is called "maticpolygon" by changelly
usdc => It is called "usdcmatic" by changelly

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Added a control when all coins are disabled by Changelly. Now it shows an error messages saying "Our partner Changelly is not currently available. Please try again later."

[rastajpa]

LGTM! Nice work!

[gabrielbazan7]

Awesome! ACK