[BUG] Snapshot doesn't take dark theme into account

[Vran-n]

Tell me the environment / 请先填写版本信息

Version: 3.3.3
OS: Win
Browser: Edge

Detail / Bug 详情

The background is still light

Light theme snapshot:

Dark theme snapshot:

[sheepzh]

Fixed and improved the pixel ratio

[sheepzh]

Will be released in v3.3.4