feat: enhance app synchronization with concurrent processing

[HynoR]

What this PR does / why we need it?

引入多线程图标和容器信息下载，提高下载速度

Summary of your change

从原来的 1m30 加速到了 28s 左右

自测通过，可能需要对新装的1panel 做测试检查行为是否一致

Please indicate you've done the following:

• Made sure tests are passing and test coverage is added if needed.
• Made sure commit message follow the rule of Conventional Commits specification.
• Considered the docs impact and opened a new docs issue or PR with docs changes if needed.

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