fix: set --force default value as true for helm rollback

One solution for issue #8465: make the default behaviour to replace
the resouces rather than make a patch, keep the backend compatibility.

Another solution, see PR: #8473, #8474

fix: #8465

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

cmd/helm/rollback.go

@@ -78,7 +78,7 @@ func newRollbackCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
 	f := cmd.Flags()
 	f.BoolVar(&client.DryRun, "dry-run", false, "simulate a rollback")
 	f.BoolVar(&client.Recreate, "recreate-pods", false, "performs pods restart for the resource if applicable")
-	f.BoolVar(&client.Force, "force", false, "force resource update through delete/recreate if needed")
+	f.BoolVar(&client.Force, "force", true, "force resource update through delete/recreate if true, otherwise make a patch to the current resource by the three way merge result")
 	f.BoolVar(&client.DisableHooks, "no-hooks", false, "prevent hooks from running during rollback")
 	f.DurationVar(&client.Timeout, "timeout", 300*time.Second, "time to wait for any individual Kubernetes operation (like Jobs for hooks)")
 	f.BoolVar(&client.Wait, "wait", false, "if set, will wait until all Pods, PVCs, Services, and minimum number of Pods of a Deployment, StatefulSet, or ReplicaSet are in a ready state before marking the release as successful. It will wait for as long as --timeout")