sync: from linuxdeepin/dtkdeclarative

[deepin-ci-robot]

Synchronize source files from linuxdeepin/dtkdeclarative.

Source-pull-request: linuxdeepin/dtkdeclarative#408

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[FeiWang1119]

/forcemerge

[deepin-bot]

This pr force merged! (status: unstable)

[deepin-bot]

TAG Bot

New tag: 6.0.21
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #168

[deepin-bot]

TAG Bot

New tag: 6.0.22
DISTRIBUTION: unstable
Suggest: synchronizing this PR through rebase #184