Add polygon and BSC to supported chains for WalletConnect

[ofreyssinet-ledger]

reopening this PR https://github.com/LedgerHQ/ledger-live-mobile/pull/2443 from a correctly named branch

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Add polygon and BSC to supported chains for WalletConnect instead of just Ethereum

Type

Feature

Context

https://ledgerhq.atlassian.net/browse/LIVE-2004

Parts of the app affected / Test plan

Can be tested with this URL

Account page -> walletconnect Deeplink -> walletconnect

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