Fix module dependency resolution for clean builds

- Use container modules from kernel_modules stage for dependency resolution
- Remove dependency on initramfs modules that haven't been copied yet
- Fixes regression where clean builds had empty stage1.list
- Dependency resolution now works correctly in clean build scenarios

config/zinit.old/sshd.yaml

@@ -0,0 +1,3 @@
+exec: /usr/sbin/sshd -D -e
+after:
+    - sshd-setup