[Backport queued_ltr_backports] Fix a use after free issue in app cleanup #53418
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The project and layertree were being destroyed before the layer tree view was being removed, which meant that in some circumstances the view would attempt to read previously destroyed layer tree nodes Explicitly delete the layer tree view before we cleanup QgsApplication to avoid this.
rouault
approved these changes
Jun 9, 2023
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Backport #53414
Authored by: @nyalldawson