wayland: Fix a crash in DrmLeaseDeviceV1Interface::setDrmMaster()
The case when a resource is destroyed before kwin becomes the drm master again is not handled. It can leave dangling pointers in m_pendingFds.
(cherry picked from commit 9e77e503)
The case when a resource is destroyed before kwin becomes the drm master again is not handled. It can leave dangling pointers in m_pendingFds.
(cherry picked from commit 9e77e503)