Properly show password visibility toggle

.../quasseldroid_ng/ui/setup/accounts/AccountEditActivity.kt

...droid_ng/ui/setup/accounts/AccountSetupConnectionSlide.kt

...uasseldroid_ng/ui/setup/accounts/AccountSetupNameSlide.kt

...uasseldroid_ng/ui/setup/accounts/AccountSetupUserSlide.kt

app/src/main/res/layout/setup_account_connection.xml

app/src/main/res/layout/setup_account_edit.xml

app/src/main/res/layout/setup_account_name.xml

app/src/main/res/layout/setup_account_user.xml