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    Bug 
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    Resolution: Unresolved
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    P3: Somewhat important 
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    None
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    QDS 4.7.0
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        QDS Berlin - 2025 Week 9/10, QDS Berlin - 2025 Week 11/12, QDS Berlin - 2025 Week 37/38, QDS Berlin - 2025 Week 39/40, QDS Berlin - 2025 Week 41/42, QDS Berlin - 2025 Week 43/44
Open any project and show the live preview. Then, with the preview displayed, close the project using File > Close all projects and editors
Result - the preview window remains displayed
Another project can be opened, and the old preview still remains (the toolbar state is correct, shows the red stop button)

| For Gerrit Dashboard: QDS-14721 | ||||||
|---|---|---|---|---|---|---|
| # | Subject | Branch | Project | Status | CR | V | 
| 632221,3 | ProjectExplorer: add AppOutputPane::closeOnCloseAllProjectsSetting() | qds/dev | qt-creator/qt-creator | Status: NEW | -1 | +1 | 
