Show watch indicator

[Tbaut]

closes #176

Not 100% convinced as this kinds of hides a good part of the identicon.. but on the other hand, we're talking about watched accounts.. so it's not that important.

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Submission checklist:

Layout

• Change inspected in the desktop web ui
• Change inspected in the mobile web ui

Compatibility

• Functionality of change validated with a connected account with multisig
• Looks good for solo multisig
• Looks good for multisig with proxy

[asnaith]

Looking good mostly but I found a problem where the "eye" badge from a watched account disappears once you connect a wallet that is a member of a pure.

badge.mp4

[Tbaut]

This is actually expected. The moment you connect an account that is a signatory, the multi/proxy is not considered as "view only" any more, and that's when you get the "new transaction" button, the ability to "review" txs etc. The only issue I see here, is that the account in the watch list becomes irrelevant, but there's not much we can do.

[asnaith]

I wasn't connecting with the account that was being watched...but it was part of the same multisig, so this would be intentional behaviour.

So, this looks good to go! Thanks for adding the tests too :)