Allow allowlisted accounts to connect/requestAccounts without unlocking

[shjortConcordium]

Purpose

Remove Unlock/Connect combo for already allowlisted sites.

Changes

• rename isWhiteListedForAnyAccount to isAllowListedForAnyAccount
• Remove various locked checks in backgrounds.
• Add "logged in" guard for external request pages.

Checklist

• My code follows the style of this project.
• The code compiles without warnings.
• I have performed a self-review of the changes.
• I have documented my code, in particular the intent of the
  hard-to-understand areas.
• (If necessary) I have updated the CHANGELOG.

[orhoj]

This change seems to interact poorly with the dapp-libraries, e.g. used in the wCCD webpage. If the wallet is locked and you try to connect, then it doesn't resolve the genesis hash correctly. So there is some aligning to do.