refactor: improve code formatting and consistency across multiple files

- Standardized import statements and removed unnecessary line breaks for better readability in various components.
- Enhanced error handling and logging in the useElectronPrinter hook.
- Updated sample data formatting in AgGridShowcase for improved clarity.
- Refactored JSX elements for consistent indentation and structure in LandingSample, AuthPage, and EventsPage components.
- Consolidated and simplified conditional rendering logic in several components.

These changes aim to enhance code maintainability and readability throughout the project.

apps/desktop/scripts/copy-web-dist.ts

@@ -52,8 +52,7 @@ console.log(`    Destination  : ${DEST_DIR}`);
 // ── Validate ───────────────────────────────────────────────────
 if (!existsSync(SOURCE_DIR)) {
   console.error(
-    `\n❌  Build output not found at: ${SOURCE_DIR}\n` +
-      `    Run "pnpm build --filter=${targetApp}" first.\n`,
+    `\n❌  Build output not found at: ${SOURCE_DIR}\n` + `    Run "pnpm build --filter=${targetApp}" first.\n`,
   );
   process.exit(1);
 }