[ARCHETYPE-639] properties value startsWith packageName should be replaced

**[qxo](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=qxo)** opened **[ARCHETYPE-639](https://issues.apache.org/jira/browse/ARCHETYPE-639?redirect=false)** and commented

```xml

xxx.DemoApplication

```

after create-from-project:

```

${package}.DemoApplication

```

---

**Remote Links:**
- [GitHub Pull Request #130
](https://github.com/apache/maven-archetype/pull/130)

Start by reviewing the create-from-project behavior described in the issue and the linked remote pull request #130. Reproduce the XML transformation with a mainClass value beginning with the package name, then verify that the generated property uses the expected package placeholder without altering unrelated values.

Written by the indexing model from the issue text.