Bug 482627

SUMMARY
Gwenview 24.02.0 cannot open webp, heic, avif, etc. modern picture formats


STEPS TO REPRODUCE
1. Open a picture in webp, heic, avif, etc. modern picture formats with gwenview 24.02.0

OBSERVED RESULT
Failed with:
```
Loading ‘test.webp’ failed
Gwenview cannot display documents of type image/webp.
```

EXPECTED RESULT
Display pictures like gwenview 23.08.

SOFTWARE/OS VERSIONS
OS: Arch Linux x86_64
Host: 82L5 (Lenovo XiaoXinPro 16ACH 2021)
Kernel: 6.7.8-zen1-1-zen
Uptime: 10 mins
Packages: 1952 (pacman)
Shell: varallel
Display (CSO1602): 2560x1600 @ 60Hz (as 1280x800) [Built-in]
DE: KDE Plasma 6.0.1
WM: KWin (Wayland)
WM Theme: Breeze
Theme: Breeze (Light) [QT], Breeze [GTK2/3/4]
Icons: breeze [QT], breeze [GTK2/3/4]
Font: Noto Sans CJK SC (10pt) [QT], Noto Sans CJK SC (10pt) [GTK2/3/4]
Cursor: breeze (24px)
Terminal: konsole 24.2.0
Terminal Font: Hack Nerd Font Mono (10pt)
CPU: AMD Ryzen 7 5800H (16) @ 4.46 GHz
GPU: AMD Radeon Vega Series / Radeon Vega Mobile Series
Memory: 4.51 GiB / 13.50 GiB (33%)
Swap: 0 B / 16.00 GiB (0%)
Disk (/): 472.77 GiB / 953.67 GiB (50%) - btrfs
Disk (/run/media/wszqkzqk/D): 130.32 GiB / 546.92 GiB (24%) - ntfs3

ADDITIONAL INFORMATION