fix: allow to rollback to previous version even if no deployed releases(#6978)

Signed-off-by: liuming <hit_oak_tree@126.com>

pkg/action/rollback.go

@@ -210,8 +210,14 @@ func (r *Rollback) performRollback(currentRelease, targetRelease *release.Releas
 		}
 	}
 
+	targetRelease.Info.Status = release.StatusDeployed
+
 	deployed, err := r.cfg.Releases.DeployedAll(currentRelease.Name)
 	if err != nil {
+		if strings.Contains(err.Error(), "has no deployed releases") {
+			r.cfg.Log(err.Error())
+			return targetRelease, nil
+		}
 		return nil, err
 	}
 	// Supersede all previous deployments, see issue #2941.
@@ -221,7 +227,5 @@ func (r *Rollback) performRollback(currentRelease, targetRelease *release.Releas
 		r.cfg.recordRelease(rel)
 	}
 
-	targetRelease.Info.Status = release.StatusDeployed
-
 	return targetRelease, nil
 }