Init blockchain with mainnet or testnet depending of configuration file

[ThierryThevenet]

When wallet receives the configuration file, wallet must initializes the wallet with Mannet of Tesnet for all blockchains of the config file. User is free to change the selection after.

see attribute blockchainOptions.testnet

"blockchainOptions": {
        "tezosSupport": true,
        "ethereumSupport": true,
        "hederaSupport": true,
        "bnbSupport": true,
        "fantomSupport": true,
        "polygonSupport": true,
        "etherlinkSupport": true,
        "tzproRpcNode": false,
        "tzproApiKey": null,
        "infuraRpcNode": false,
        "infuraApiKey": null,
        "testnet": false,
        "displayAllCryptoAccounts": true

[ThierryThevenet]

To test it you can use your account on the backend
https://wallet-provider.talao.co/configuration/webpage?login=guest@bibash&password=guest&wallet-provider=https://wallet-provider.talao.co