[Feature] add new config to enforce public link password (#7547)

* add new config to enforce public link password

* add api test

services/frontend/pkg/config/parser/parse.go

@@ -51,5 +51,10 @@ func Validate(cfg *config.Config) error {
 		cfg.GRPCClientTLS = structs.CopyOrZeroValue(cfg.Commons.GRPCClientTLS)
 	}
 
+	// Set password enforcement on all public links when config is set
+	if cfg.OCS.PublicShareMustHavePassword {
+		cfg.OCS.WriteablePublicShareMustHavePassword = true
+	}
+
 	return nil
 }