feat: remove edit template button as seperate button and add it to week overview element

packages/flutter_availability/lib/src/ui/screens/template_week_modification.dart

@@ -130,12 +130,6 @@ class _WeekTemplateModificationScreenState
       Text(translations.deleteTemplateButton),
     );
 
-    var previousButton = options.bigTextButtonBuilder(
-      context,
-      onBackPressed,
-      Text(translations.editTemplateButton),
-    );
-
     var title = Center(
       child: Text(
         translations.weekTemplateTitle,
@@ -223,6 +217,7 @@ class _WeekTemplateModificationScreenState
           const SizedBox(height: 30),
           TemplateWeekOverview(
             template: _viewModel,
+            onClickEdit: onBackPressed,
           ),
         ],
       ),
@@ -260,8 +255,6 @@ class _WeekTemplateModificationScreenState
                     nextButton,
                   ] else ...[
                     saveButton,
-                    const SizedBox(height: 8),
-                    previousButton,
                   ],
                   if (widget.template != null) ...[
                     const SizedBox(height: 8),

packages/flutter_availability/lib/src/ui/widgets/template_week_overview.dart

@@ -11,12 +11,16 @@ class TemplateWeekOverview extends StatelessWidget {
   ///
   const TemplateWeekOverview({
     required this.template,
+    required this.onClickEdit,
     super.key,
   });
 
   /// The template to show
   final WeekTemplateViewModel template;
 
+  /// The callback for the textbutton to edit the week template
+  final VoidCallback onClickEdit;
+
   @override
   Widget build(BuildContext context) {
     var theme = Theme.of(context);
@@ -33,9 +37,23 @@ class TemplateWeekOverview extends StatelessWidget {
     return Column(
       crossAxisAlignment: CrossAxisAlignment.start,
       children: [
-        Text(
+        Row(
+          children: [
+            Expanded(
+              child: Text(
                 translations.weekTemplateOverviewTitle,
                 style: textTheme.titleMedium,
+                overflow: TextOverflow.ellipsis,
+              ),
+            ),
+            options.smallTextButtonBuilder(
+              context,
+              onClickEdit,
+              Text(
+                translations.editTemplateButton,
+              ),
+            ),
+          ],
         ),
         const SizedBox(height: 8),
         DecoratedBox(