Created attachment 166198 [details]
cloed/re-opend: ok; minimized/restored: bug

SUMMARY
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STEPS TO REPRODUCE
1. Login with x11 (not wayland) plasma 6
2. Open Dolphin with places, terminal and info panels
3. If you minimixe Dolphin and then you restore it maximixed all panels disappear

OBSERVED RESULT

When you close and re-open Dolphin it is all ok, but if you minimize it, it is "without memory" (all panels aren't more visible)

EXPECTED RESULT

All opened panels should appear as usual

SOFTWARE/OS VERSIONS

Operating System: KDE neon 6.0
KDE Plasma Version: 6.0.0
KDE Frameworks Version: 6.0.0
Qt Version: 6.6.2
Kernel Version: 6.5.0-21-generic (64-bit)
Graphics Platform: X11
Processors: 2 × Intel® Core™ i3-7100 CPU @ 3.90GHz
Memory: 7,6 GiB of RAM
Graphics Processor: Mesa Intel® HD Graphics 630
Manufacturer: MSI
Product Name: MS-7A74
System Version: 1.0

ADDITIONAL INFORMATION
This bug is only with x11, not in wayland.