SUMMARY
Dolphin crashes when opening if ~/.cache/thumbnails does not exist.

***
BACKTRACE:

#0  Solid::StorageAccess::isEncrypted (this=0x0)
#1  0x00007ffff7ba04e9 in KIO::PreviewJobPrivate::canBeCached (path=..., this=0x555555fc17e0)
#2  KIO::PreviewJobPrivate::createThumbnail (this=this@entry=0x555555fc17e0, pixPath=...)
#3  0x00007ffff7ba39b0 in KIO::PreviewJob::slotResult (this=<optimized out>, job=<optimized out>)
#4  0x00007ffff5ce8461 in QtPrivate::QSlotObjectBase::call (a=0x7fffffffccb0, r=<optimized out>, this=0x555555e4d7d0)
#5  doActivate<false> (sender=0x555556070590, signal_index=6, argv=0x7fffffffccb0)
#6  0x00007ffff5ce3387 in QMetaObject::activate (sender=sender@entry=0x555556070590, m=<optimized out>, local_signal_index=local_signal_index@entry=3, 
    argv=argv@entry=0x7fffffffccb0)
#7  0x00007ffff716afc6 in KJob::result (this=this@entry=0x555556070590, _t1=<optimized out>, _t1@entry=0x555556070590, _t2=...)
#8  0x00007ffff7170bab in KJob::finishJob (this=0x555556070590, emitResult=<optimized out>)
#9  0x00007ffff5ce8461 in QtPrivate::QSlotObjectBase::call (a=0x7fffffffcde0, r=<optimized out>, this=0x555556022190)
#10 doActivate<false> (sender=0x55555600e1a0, signal_index=5, argv=0x7fffffffcde0)
#11 0x00007ffff5ce3387 in QMetaObject::activate (sender=sender@entry=0x55555600e1a0, m=<optimized out>, local_signal_index=local_signal_index@entry=2, 
    argv=argv@entry=0x7fffffffcde0)
#12 0x00007ffff79419d7 in KIO::SlaveInterface::error (this=this@entry=0x55555600e1a0, _t1=<optimized out>, _t2=...)
#13 0x00007ffff7946afe in KIO::SlaveInterface::dispatch (this=0x55555600e1a0, _cmd=102, rawdata=...)
#14 0x00007ffff79417fb in KIO::SlaveInterface::dispatch (this=0x55555600e1a0)
#15 0x00007ffff7944121 in KIO::Slave::gotInput (this=0x55555600e1a0)
#16 0x00007ffff5ce8461 in QtPrivate::QSlotObjectBase::call (a=0x7fffffffd030, r=<optimized out>, this=0x555556038840)
#17 doActivate<false> (sender=0x555556010720, signal_index=3, argv=0x7fffffffd030)
#18 0x00007ffff5cded0b in QObject::event (this=0x555556010720, e=0x55555604d3e0)
#19 0x00007ffff69aeb75 in QApplicationPrivate::notify_helper (this=<optimized out>, receiver=0x555556010720, e=0x55555604d3e0)
#20 0x00007ffff5cb4188 in QCoreApplication::notifyInternal2 (receiver=0x555556010720, event=0x55555604d3e0)
#21 0x00007ffff5cb43a2 in QCoreApplication::sendEvent (receiver=<optimized out>, event=<optimized out>)
#22 0x00007ffff5cb7635 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x5555556752f0)
#23 0x00007ffff5cb78ed in QCoreApplication::sendPostedEvents (receiver=<optimized out>, event_type=<optimized out>)
***


STEPS TO REPRODUCE
1. delete ~/.cache/thumbnails
2. open dolphin
3. crash happens

OBSERVED RESULT
Crash while opening dolphin

EXPECTED RESULT
The application to open successfully

SOFTWARE/OS VERSIONS
Linux: Fedora 38 running Linux 6.3.11-200.fc38.x86_64
KDE Plasma Version: 5.27.6
KDE Frameworks Version: 5.107.0
Qt Version: 5.15.10

ADDITIONAL INFORMATION
Laptop: Asus Zephyrus G14 2022 model