Bug fixes

Change log:
- feature: multi-app support, you can use multiple apps open in multiple browser windows simultaneously!
- feature: add all font files as local dependency and remove all google API references
- feature: display transaction fee and amount in CSPR on the signature request dialog
- feature: add site title on the connect site screen
- feature: add decimal number formatting for the account balance
- feature: add variable font sizes to handle display of large balances
- fix: double reveal password button on Edge
- fix: show account balance when the currency rate service is down