install: reflink-capable filesystems with ostree pull through composefs first #2205

Check passed!

All commits are signed off, the check passed.

	Sha	Message	Pass or fail reason
🟢	84948be	install: Skip immutable deployment checkouts in fi...	`Valid sign-off found`
🟢	b0765f9	xtask: Pass --filesystem to bcvk for ostree varian...	`Valid sign-off found`
🟢	8f853c1	cli: Inject --system into `bootc internals cfsctl`...	`Valid sign-off found`
🟢	9a11167	unified-storage: Wire composefs-first pull pipelin...	`Valid sign-off found`
🟢	096b64d	deploy: Replace skopeo→ostree unified path with ...	`Valid sign-off found`
🟢	3727ecc	store: Add BootcRepoMeta / composefs/bootc.json un...	`Valid sign-off found`
🟢	9be32d3	podstorage: Add pull_from_containers_storage with ...	`Valid sign-off found`
🟢	aa11350	deploy: Wire containers-storage→composefs→ostr...	`Valid sign-off found`
🟢	21e43a4	image: Add Partial type, composefs cross-reference...	`Valid sign-off found`
🟢	62ac1bb	tmt: Add bootc_install_args plan metadata, unified...	`Valid sign-off found`
🟢	1929048	image: Fix fsck false-positive for rollback images...	`Valid sign-off found`
🟢	c726e5f	podstorage: Skip copy if image already in bootc st...	`Valid sign-off found`
🟢	268a7bc	image: Fix Unified/Partial semantics on non-unifie...	`Valid sign-off found`