Redesign Deposit & Withdraw UI

[starry-shivam]

TODO

• Remove deposit withdraw dialog and add a dedicated screen for adding transactions.
• Add ability to set custom date and time per transaction.
• Add an optional text field to add notes per transactions
• Update transactions list UI in goal info screen to reflect these changes.
• Add ability to delete specific transactions from goal info screen.
• Don't show "Authentication Succeeded" toast message every on launch, instead just open it normally

Closes #72, #24, #71