fix: simplify download URL retrieval based on policy server presence

Author: AdriGeorge

src/commands.ts

@@ -244,15 +244,24 @@ export class Commands {
 
 		const orderTx = await tx.wait();
 
-		const urlDownloadUrl = await ProviderInstance.getDownloadUrl(
-			dataDdo.id,
-			serviceId,
-			0,
-			orderTx.hash,
-			this.oceanNodeUrl,
-			this.signer,
-			policyServer
-		);
+		const urlDownloadUrl = policyServer
+			? await ProviderInstance.getDownloadUrl(
+				dataDdo.id,
+				serviceId,
+				0,
+				orderTx.hash,
+				this.oceanNodeUrl,
+				this.signer,
+				policyServer
+			)
+			: await ProviderInstance.getDownloadUrl(
+				dataDdo.id,
+				serviceId,
+				0,
+				orderTx.hash,
+				this.oceanNodeUrl,
+				this.signer
+			);
 		try {
 			const path = args[2] ? args[2] : ".";
 			const { filename } = await downloadFile(urlDownloadUrl, path);