Fix SwiftPM's dropdown showing on projects disabling the SwiftPM integration

Author: rockbruno

src/SwiftPackage.ts

@@ -262,14 +262,9 @@ export class SwiftPackage {
         toolchain: SwiftToolchain,
         disableSwiftPMIntegration: boolean = false
     ): Promise<SwiftPackageState> {
-        // When SwiftPM integration is disabled, return empty package structure
+        // When SwiftPM integration is disabled, return undefined to disable all features
         if (disableSwiftPMIntegration) {
-            return {
-                name: path.basename(folder.fsPath),
-                products: [],
-                dependencies: [],
-                targets: [],
-            };
+            return undefined;
         }
 
         try {