Created attachment 167622 [details]
Bug Screenshot, Comparison Screenshot, Test File

SUMMARY
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All common photo files have their dimentions listed in Dolphin file properties, except JXL.
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STEPS TO REPRODUCE
1. Open the attatched JXL test file properties in Dolphin (last tab).

OBSERVED RESULT
2. Missing dimentions properties just for JXL.

EXPECTED RESULT
3. Make Dolphin to read file dimentions.

SOFTWARE/OS VERSIONS
KDE Plasma Version: 6.0.2
KDE Frameworks Version: 6.0.0
Qt Version: 6.6.2
Graphics Platform: X11
Graphics Processor: Intel HD

ADDITIONAL INFORMATION
dolphin 24.02.1-1
kfilemetadata 6.0.0-2 (kf6)
libjxl 0.10.2-1
kimageformats 6.0.0-2 (kf6)
qt6-imageformats 6.6.2-1 (qt6)

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kfilemetadata5 5.115.0-1 (kf5)
qt5-imageformats 5.15.13+kde+r7-1 (qt5)
kimageformats5 5.115.0-2 (kf5)
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