fix: the pinscreenshot tips

[add-uos]

fix the pinscreenshot tips window show not correct.

Log: fix the pinscreenshot tips Bug: https://pms.uniontech.com/bug-view-275657.html

[deepin-ci-robot]

deepin pr auto review

关键摘要:

• 在新增的if语句中，应该检查m_functionType是否确实为status::pinscreenshots，以避免潜在的类型转换错误。
• 新增的if语句应该有相应的注释说明其目的，以便其他开发者理解其逻辑。

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: add-uos, lzwind

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](https://github.com/linuxdeepin/deepin-screen-recorder/blob/release/eagle/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

[add-uos]

/merge