copying the png to where it's expected

.gitlab-ci.yml

@@ -301,6 +301,7 @@ arm:package:
       mkdir -p dist
       echo "Copying GridTracker-$version-linux-arm64 to workdir..."
       mv GridTracker-$version-linux-arm64 dist/
+      cp dist/GridTracker-$version-linux-arm64/package.nw/gridview.png dist/GridTracker-$version-linux-arm64/gridview.png
       ls -la dist/GridTracker-$version-linux-arm64
       echo "Building flatpak source..."
       flatpak-builder flatpak flatpak_arm64_manifest.yml --force-clean --repo=flatpakrepo