fix: center empty_page_placeholder title alignment

lib/ui/helpers/empty_page_placeholder.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:gap/gap.dart';
 import 'package:selfprivacy/ui/components/not_ready_card/not_ready_card.dart';
 
 class EmptyPagePlaceholder extends StatelessWidget {
@@ -10,50 +11,72 @@ class EmptyPagePlaceholder extends StatelessWidget {
     super.key,
   });
 
+  final bool showReadyCard;
+  final IconData iconData;
   final String title;
   final String description;
-  final IconData iconData;
-  final bool showReadyCard;
 
   @override
-  Widget build(final BuildContext context) => !showReadyCard
-      ? _expandedContent(context)
-      : Column(
+  Widget build(final BuildContext context) => showReadyCard
+      ? Column(
           crossAxisAlignment: CrossAxisAlignment.stretch,
           children: [
-            const Padding(
-              padding: EdgeInsets.symmetric(horizontal: 15),
-              child: NotReadyCard(),
-            ),
-            Expanded(
-              child: Container(
-                padding: const EdgeInsets.symmetric(horizontal: 15),
-                child: Center(
-                  child: _expandedContent(context),
+            if (showReadyCard)
+              const Padding(
+                padding: EdgeInsets.symmetric(
+                  vertical: 15,
+                  horizontal: 15,
                 ),
+                child: NotReadyCard(),
+              ),
+            Expanded(
+              child: _ContentWidget(
+                iconData: iconData,
+                title: title,
+                description: description,
               ),
             ),
           ],
+        )
+      : _ContentWidget(
+          iconData: iconData,
+          title: title,
+          description: description,
         );
+}
 
-  Widget _expandedContent(final BuildContext context) => Padding(
+class _ContentWidget extends StatelessWidget {
+  const _ContentWidget({
+    required this.iconData,
+    required this.title,
+    required this.description,
+  });
+
+  final IconData iconData;
+  final String title;
+  final String description;
+
+  @override
+  Widget build(final BuildContext context) => Container(
         padding: const EdgeInsets.symmetric(horizontal: 20),
         child: Column(
           mainAxisAlignment: MainAxisAlignment.center,
+          crossAxisAlignment: CrossAxisAlignment.center,
           children: [
             Icon(
               iconData,
               size: 50,
               color: Theme.of(context).colorScheme.onBackground,
             ),
-            const SizedBox(height: 16),
+            const Gap(16),
             Text(
               title,
               style: Theme.of(context).textTheme.headlineMedium?.copyWith(
                     color: Theme.of(context).colorScheme.onBackground,
                   ),
+              textAlign: TextAlign.center,
             ),
-            const SizedBox(height: 8),
+            const Gap(8),
             Text(
               description,
               textAlign: TextAlign.center,