Heat Wallet 4.9.6

New features

• Editable Payment Message
• Add derivation path for currency search
• Ethereum ERC20 token transfer

Changes

• Add cache for contact list to display it immediatly
• Update rendering ERC20 token operation
• Add progress indicator for currency search

Bug fixes and optimisations

• Fix wrong btc address url for transaction with multiple outputs
• Fix formatting ERC20 token balance
• Fix formatting trailing zeros of balance