fix: incorrect nullish coalescing check in getPackageData method

Author: mahanteshnp27

src/package/package.ts

@@ -304,7 +304,7 @@ export class Package {
    * @param force force a refresh of the package data
    */
   public async getPackageData(force = false): Promise<PackagingSObjects.Package2 | undefined> {
-    if (!this.packageData ?? force) {
+    if (!this.packageData || force) {
       this.packageData = (await this.options.connection.tooling
         .sobject('Package2')
         .retrieve(this.packageId)) as PackagingSObjects.Package2;