fix: Use IntrinsicWidth for rows with space (#1837)

Fixed a bug reported on Discord where the length of the text makes the
button bar overflow:

![image](https://github.com/user-attachments/assets/c76acfbb-aaff-4065-b91c-249f446096d3)
(Image of how the bug looks like, not how it looks like after the fix)

packages/app_center/lib/manage/manage_page.dart

@@ -276,6 +276,7 @@ class ManagePage extends ConsumerWidget {
                   index: index,
                   length: snapListState.snaps.length,
                 ),
+                hasFixedSize: true,
               ),
             ),
             error: (_, __) =>

packages/app_center/lib/manage/manage_snap_tile.dart

@@ -19,12 +19,14 @@ class ManageSnapTile extends StatelessWidget {
     required this.snap,
     this.position = ManageTilePosition.middle,
     this.showUpdateButton = false,
+    this.hasFixedSize = false,
     super.key,
   });
 
   final Snap snap;
   final ManageTilePosition position;
   final bool showUpdateButton;
+  final bool hasFixedSize;
 
   @override
   Widget build(BuildContext context) {
@@ -34,6 +36,10 @@ class ManageSnapTile extends StatelessWidget {
         ? DateTime.now().difference(snap.installDate!)
         : null;
     const radius = Radius.circular(8);
+    final buttonBar = Align(
+      alignment: Alignment.centerRight,
+      child: _ButtonBar(snap, showUpdateButton),
+    );
 
     return DecoratedBox(
       decoration: BoxDecoration(
@@ -162,13 +168,9 @@ class ManageSnapTile extends StatelessWidget {
               ),
           ],
         ),
-        trailing: SizedBox(
-          width: 260,
-          child: Align(
-            alignment: Alignment.centerRight,
-            child: _ButtonBar(snap, showUpdateButton),
-          ),
-        ),
+        trailing: hasFixedSize
+            ? SizedBox(width: 180, child: buttonBar)
+            : IntrinsicWidth(child: buttonBar),
       ),
     );
   }