fix: manual treeland adaptation

[pengfeixx]

manual treeland adaptation

Log: manual treeland adaptation

[rb-union]

[是否满足兼容性要求] Y
[是否满足commit提交规范] Y
[是否满足编码规范] Y
[Review结论] Pass
[Fail原因] N/A

[jeffshuai]

[是否满足兼容性要求] Y
[是否满足commit提交规范] Y
[是否满足编码规范] Y
[Review结论] Pass
[Fail原因] N/A

[deepin-ci-robot]

deepin pr auto review

关键摘要:

• 在Utils::judgeTreeLand函数中，qEnvironmentVariable的调用应该在if语句之前添加QString类型的转换，以确保变量值被正确处理。
• Utils::getMdsourcePath函数中，返回的QStringList应该包含一个空字符串作为分隔符，以便在输出时正确显示路径。

是否建议立即修改:

• 是

[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: lzwind, pengfeixx

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• debian/deepin/OWNERS

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[pengfeixx]

/merge