fixed missing ubz icon in linux (xdg-icon-resource does not support svg yet so ... to improve)

release_scripts/linux/package.sh

@@ -180,6 +180,7 @@ chown -R root:root $PACKAGE_DIRECTORY
 
 cp -R resources/customizations $PACKAGE_DIRECTORY/
 cp resources/linux/openboard-ubz.xml $PACKAGE_DIRECTORY/etc/
+cp resources/linux/application-ubz.png $PACKAGE_DIRECTORY/etc/
 
 if $BUNDLE_QT; then
     cp -R resources/linux/run.sh $PACKAGE_DIRECTORY/
@@ -287,6 +288,7 @@ cat > "$BASE_WORKING_DIR/DEBIAN/postinst" << EOF
 xdg-desktop-menu install --novendor /usr/share/applications/${APPLICATION_CODE}.desktop
 xdg-mime install --mode system /$APPLICATION_PATH/$APPLICATION_CODE/etc/openboard-ubz.xml
 xdg-mime default /usr/share/applications/${APPLICATION_CODE}.desktop application/ubz
+xdg-icon-resource install --context mimetypes --size 48 /$APPLICATION_PATH/$APPLICATION_CODE/etc/application-ubz.png application-ubz
 
 ln -s $SYMLINK_TARGET /usr/bin/$APPLICATION_CODE
 
@@ -400,8 +402,6 @@ echo "MimeType=application/ubz" >> $APPLICATION_SHORTCUT
 echo "Categories=Education;" >> $APPLICATION_SHORTCUT
 cp "resources/images/${APPLICATION_NAME}.png" "$PACKAGE_DIRECTORY/${APPLICATION_NAME}.png"
 
-
-
 # ----------------------------------------------------------------------------
 # Building the package
 # ----------------------------------------------------------------------------