chore: Follow up permissions slider dialog

Signed-off-by: Krille <c.kussowski@famedly.com>

lib/widgets/permission_slider_dialog.dart

@@ -1,9 +1,7 @@
-import 'package:flutter/material.dart';
-
-import 'package:flutter_gen/gen_l10n/l10n.dart';
-
 import 'package:fluffychat/widgets/adaptive_dialogs/adaptive_dialog_action.dart';
 import 'package:fluffychat/widgets/adaptive_dialogs/dialog_text_field.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_gen/gen_l10n/l10n.dart';
 
 Future<int?> showPermissionChooser(
   BuildContext context, {
@@ -17,25 +15,24 @@ Future<int?> showPermissionChooser(
     builder: (context) => AlertDialog.adaptive(
       title: Text(L10n.of(context).chatPermissions),
       content: ConstrainedBox(
-        constraints: const BoxConstraints(maxWidth: 256),
-        child: Center(
-          child: Column(
-            mainAxisSize: MainAxisSize.min,
-            spacing: 12.0,
-            children: [
-              Text(L10n.of(context).setPermissionsLevelDescription),
-              ValueListenableBuilder(
-                valueListenable: error,
-                builder: (context, errorText, _) => DialogTextField(
-                  controller: controller,
-                  hintText: currentLevel.toString(),
-                  keyboardType: TextInputType.number,
-                  labelText: L10n.of(context).custom,
-                  errorText: errorText,
-                ),
+        constraints: const BoxConstraints(maxWidth: 256, maxHeight: 256),
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          crossAxisAlignment: CrossAxisAlignment.stretch,
+          spacing: 12.0,
+          children: [
+            Text(L10n.of(context).setPermissionsLevelDescription),
+            ValueListenableBuilder(
+              valueListenable: error,
+              builder: (context, errorText, _) => DialogTextField(
+                controller: controller,
+                hintText: currentLevel.toString(),
+                keyboardType: TextInputType.number,
+                labelText: L10n.of(context).custom,
+                errorText: errorText,
               ),
-            ],
-          ),
+            ),
+          ],
         ),
       ),
       actions: [