utils always asks about connext update

[raladev]

To Reproduce

1. bash xud.sh
2. choose simnet and create wallet
3. close utils
4. bash xud.sh

Actual result
notification about connext upgrade

Expected result
No update notifications

[reliveyy]

@raladev It's becuase the light Ethereum provider changed during different launches. We could move "fastest Ethereum provider selection" into connext container.

[kilrau]

This shouldn't always ask about an update @raladev , only if it actually changes and that should be rarely the case on simnet