접속이력 테이블 Session ID 컬럼 최대폭 제한 추가

userfront/lib/features/dashboard/presentation/dashboard_screen.dart

@@ -1440,9 +1440,12 @@ class _DashboardScreenState extends ConsumerState<DashboardScreen> {
   }
 
   double _historySessionColumnWidth(double maxWidth) {
-    return math.max(
-      _historySessionMinWidth,
-      maxWidth - _historyOtherColumnsBaselineWidth,
+    return math.min(
+      200.0,
+      math.max(
+        _historySessionMinWidth,
+        maxWidth - _historyOtherColumnsBaselineWidth,
+      ),
     );
   }