fix(multisig): enhance dRepScript generation logic

- Updated the getDRepScript method to attempt building the script with a fallback to a different parameter if the initial attempt returns undefined. This improves the robustness of the script generation process.

Author: QSchlegel

src/utils/multisigSDK.ts

@@ -283,7 +283,12 @@ export class MultisigWallet {
   }
 
   getDRepScript(): string | undefined {
-    const dRepScript = this.buildScript(3);
+    let dRepScript = this.buildScript(3);
+
+    if(!dRepScript) {
+      dRepScript = this.buildScript(0);
+    }
+
     if (!dRepScript) {
       console.warn("MultisigWallet keys:", this.keys);
       console.warn("buildScript(3) result:", dRepScript);