[maven] Do not set snapshotPattern unless is non-blank. Relates to
@@ -128,7 +128,7 @@ public final class JReleaserModelConverter {
p.setName(project.getName());
p.setVersion(project.getVersion());
p.setVersionPattern(project.resolveVersionPattern());
- p.setSnapshotPattern(project.getSnapshotPattern());
+ if(isNotBlank(project.getSnapshotPattern())) p.setSnapshotPattern(project.getSnapshotPattern());
p.setSnapshot(convertSnapshot(project.getSnapshot()));
p.setDescription(project.getDescription());
p.setLongDescription(project.getLongDescription());
