fix: [debugger] crash when debugging

[LiHua000]

Log: as title

[deepin-ci-robot]

deepin pr auto review

关键摘要:

• 在StackFrameModel的setFrames函数中，currentIndex被硬编码为1，这可能不是预期的行为，应该检查是否应该初始化为0或其他逻辑值。
• 在DebugManager的initProcess函数中，connect语句的lambda表达式缺少this指针的上下文，应该明确指定d->process.data()作为上下文。

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: Kakueeen, LiHua000
Once this PR has been reviewed and has the lgtm label, please assign eric2023 for approval. For more information see the Code Review Process.

The full list of commands accepted by this bot can be found here.

Needs approval from an approver in each of these files:

• debian/deepin/OWNERS

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment