fix: 贴图不能移动出屏幕

[add-uos]

截屏贴图-触发贴图后滑动鼠标滚轮缩放，窗口不能超出屏幕

Log: 截屏贴图-触发贴图后滑动鼠标滚轮缩放，窗口不能超出屏幕
Bug: https://pms.uniontech.com/bug-view-254799.html

[deepin-ci-robot]

deepin pr auto review

关键摘要:

• 在MainWindow::initMainWindow函数中添加了Qt::BypassWindowManagerHint标志，需要确认这是否是预期的行为。
• 在mouseMoveEvent函数中移除了对Wayland模式的处理，需要确认这是否是有意为之。

是否建议立即修改:

• 是，需要确认添加Qt::BypassWindowManagerHint是否符合产品需求和用户体验。
• 是，如果移除对Wayland模式的处理是故意的，应该添加相应的注释说明原因。如果这是一个错误，应该恢复这部分代码。

[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

[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: add-uos, pengfeixx

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[add-uos]

/merge