fix: handle chain changed

[CarmitKl]

If the user is connected (via metamask) to an L1 chain that isn't found in the app's "ChainInfo",
The 'ChainUnsupportedError' will appear, just without adding the name of the used L1 chain.

Checklist

• Changes have been done against master branch, and PR does not conflict
• New unit / functional tests have been added (whenever applicable)
• Test are passing in local environment
• Docs have been updated
• PR title is follow the standard-version convention: <type>(optional subject): <description>, e.g: fix: minor typos in code

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