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/landing/src/features/public-content/presentation/LandingSample.tsx

@@ -29,7 +29,7 @@ export default function LandingSample() {
         telemetryContext: {
           customSpanName: 'public.content.fetch',
           tags: {
-            'feature': 'landing',
+            feature: 'landing',
             'ui.component': 'LandingSample',
             'ui.action': 'content_fetch',
           },
@@ -74,14 +74,19 @@ export default function LandingSample() {
         {loading ? 'Fetching…' : 'Test Public Fetch'}
       </button>
 
-      {error && (
-        <pre style={{ color: '#ef4444', marginTop: 16, whiteSpace: 'pre-wrap' }}>
-          ❌ {error}
-        </pre>
-      )}
+      {error && <pre style={{ color: '#ef4444', marginTop: 16, whiteSpace: 'pre-wrap' }}>❌ {error}</pre>}
 
       {result && (
-        <pre style={{ marginTop: 16, background: '#1e1e2e', color: '#a6e3a1', padding: 16, borderRadius: 8, overflow: 'auto' }}>
+        <pre
+          style={{
+            marginTop: 16,
+            background: '#1e1e2e',
+            color: '#a6e3a1',
+            padding: 16,
+            borderRadius: 8,
+            overflow: 'auto',
+          }}
+        >
           {JSON.stringify(result, null, 2)}
         </pre>
       )}