lib/scanner, lib/model: Actually assign version when un-ignoring (fixes #4841) (#4842)

This fixes a mistake introduced in #4750 and #4776 and is relevant to v0.14.46-rc1
This commit is contained in:
Internal Server Error - Gitea: Git with a cup of tea
500 Internal Server Error

Gitea Version: 1.28.0+dev-477-g8b6ad49a5f