Optimize desktop password requirements

[DeeList]

A user requested this change on X https://twitter.com/hiddentao/status/1714912555229986988

Optimize Desktop Password Requirements to Reduce Frequency and Eliminate Unnecessary Prompts.

• Remove Password Requirements for Transactions and Receiving Address Display.
• Introduce single password entry upon launch (similar to extension).

[314159265359879]

With this enhancement, the wallet would also have to start locked. Currently, the wallet always starts as unlocked because signing a transaction requires a password.

[kyranjamie]

+1, I'm of the opinion this is both less secure, and a worse user experience