fix(docker): Add runtime dependencies for kimageformats plugins

- Add libavif16 for AVIF plugin runtime
- Add libjxl0.7 for JXL plugin runtime
- Fixes missing library errors preventing plugin loading
- AVIF and JXL formats now properly supported in runtime

Author: nickv2002

docker/Dockerfile

@@ -197,9 +197,11 @@ RUN apt-get update && \
     apt-get install -y --no-install-recommends \
        libqt6core5compat6 \
        libpoppler-qt6-3t64 \
-       qt6-image-formats-plugins \ 
+       qt6-image-formats-plugins \
        libqt6network6t64 \
-       libqt6sql6-sqlite && \
+       libqt6sql6-sqlite \
+       libavif16 \
+       libjxl0.7 && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*