[build] Fix command docker images missing name and tag issue. (#21882)

Why I did it
when onboard sonic-package-management extension.
It missed to add sonic version label on docker images.

Work item tracking
Microsoft ADO (number only): 25662623

How I did it
Check build logs. label is added with this PR.

Author: liushilongbuaa

files/build_templates/sonic_debian_extension.j2

@@ -963,6 +963,8 @@ sudo LANG=C DOCKER_HOST="$DOCKER_HOST" chroot $FILESYSTEM_ROOT sonic-package-man
 {% for package in sonic_local_packages.strip().split() -%}
 {% set name, path, set_owner, enabled = package.split('|') -%}
 sudo LANG=C DOCKER_HOST="$DOCKER_HOST" chroot $FILESYSTEM_ROOT sonic-package-manager install --from-tarball {{ path }} {{ get_install_options(set_owner, enabled) }}
+name_repo=$(basename {{name}} .gz)
+sudo LANG=C DOCKER_HOST="$DOCKER_HOST" chroot $FILESYSTEM_ROOT docker tag $name_repo:latest $name_repo:"${SONIC_IMAGE_VERSION}"
 {% endfor -%}
 
 sudo umount $FILESYSTEM_ROOT/target