Recompile after background change

src/freedombone-app-pleroma

                 PLEROMA_BACKGROUND_IMAGE_URL="$temp_background"
                 write_config_param "PLEROMA_BACKGROUND_IMAGE_URL" "$PLEROMA_BACKGROUND_IMAGE_URL"
                 if [[ $(pleroma_set_background_image_from_url $PLEROMA_DIR "$PLEROMA_DOMAIN_NAME" "$PLEROMA_BACKGROUND_IMAGE_URL" "$PLEROMA_TITLE" | tail -n 1) == "0" ]]; then
+                    pleroma_recompile
                     dialog --title $"Set Pleroma login background" \
                            --msgbox $"The background image has been set" 6 60
                 fi