Hide encryption password when setting up sync

[latenightdef]

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• I have searched for similar issues (both open and closed) and cannot find a duplicate
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Motivation

When setting up Saber, the encryption password field can be seen in plaintext. Allowing people behind me to see the password typed.

Solution

Showing as dots and give an option to toggle password display, like most password fields,

Alternatives

No response

Saber version

0.25.4 Google Play (25040)

Device

• Device: Xiaomi Pad 5
• OS: Android 13

Anything else?

No response