Created attachment 158753 [details]
backtrace

SUMMARY
When trying to access the "properties" tab of a malformed desktop entry file, dolphin crashes.
Minimal reproducible file example:
```
[Desktop Entry]
Type=Application
Name=foo
Exec='env foo=bar foo'
StartupNotify=false
Terminal=false
```


STEPS TO REPRODUCE
1. Right click on the file 
2. Click on "Properties"

OBSERVED RESULT
Crash

EXPECTED RESULT
Showing the "Properties" tab

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: Linux kernel 6.3.1-arch1-1
(available in About System)
KDE Plasma Version: 5.27.4
KDE Frameworks Version: 5.105.0
Qt Version: 5.15.9

ADDITIONAL INFORMATION

Backtrace attached below.