Add OCI support to create source helm

closes #2774

Signed-off-by: Max Jonas Werner <mail@makk.es>

cmd/flux/main_test.go

@@ -386,6 +386,7 @@ func executeCommand(cmd string) (string, error) {
 func resetCmdArgs() {
 	createArgs = createFlags{}
 	getArgs = GetFlags{}
+	sourceHelmArgs = sourceHelmFlags{}
 	secretGitArgs = NewSecretGitFlags()
 }