fixing the case when the injected provider does not have an account

[Viterbo]

Fixes #694

Description

When you run the web app on a desktop browser but you use WalletConnect and read the QR from your mobile, there was a workaround to try to deduce if we are using a locally injected provider (like MetaMask extension) or we are using a remote connection via QR.

There was an error trying to obtaing the current account from the local provider which may not have one.

Test scenarios

• Get logout from Metamask
  • Disable and enable your Metamask extensio so you will get prompted for the password next interaction
• go to this link
• press WalletConnect
• on your mobile, open Metamask and read the QR
  • you should be able to login with no problems

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have cleaned up the code in the areas my change touches
• My changes generate no new warnings
• Any dependent changes have been merged and published in downstream modules
• I have checked my code and corrected any misspellings
• I have removed any unnecessary console messages
• I have included all english text to the translation file and/or created a new issue with the required translations for the currently supported languages
• I have tested for mobile functionality and responsiveness
• I have added appropriate test coverage

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