fix: Password configuration should not be saved without a password

[caixr23]

Password configuration should not be saved without a password

pms: BUG-298371

[deepin-ci-robot]

deepin pr auto review

关键摘要:

• wsSetting->setInitialized(true); 更改为 wsSetting->setInitialized(keyMgmt != WirelessSecuritySetting::KeyMgmt::WpaNone); 可能会影响初始化逻辑，需要确认这一改动是否符合预期。
• 在创建新的UUID时，使用了 while (findConnectionByUuid(uuid)) 循环，可能会导致性能问题，建议优化UUID生成逻辑。

是否建议立即修改:

• 是，需要确认初始化逻辑的改动是否符合业务需求，并优化UUID生成逻辑以避免潜在的性能问题。

[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: caixr23, robertkill

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