fix: align diary diet row and hide terminal cancel

- show only the personal diet name in the diary and keep the plan day chip
- hide consultation cancellation for terminal and non-cancellable states
- enable the refund form only for paid, started and in-progress plans
- cover diary rows and order info cancel visibility with tests

test/features/order_info/presentation/info_by_order_screen_test.dart

@@ -243,12 +243,12 @@ void main() {
       expect(find.byType(InfoByOrderScreen), findsOneWidget);
     });
 
-    ChosenPlanModel donePlan() {
+    ChosenPlanModel donePlan({ChosenPlanStateEnum state = ChosenPlanStateEnum.stateDone}) {
       return ChosenPlanModel(
         id: 1,
         optionType: 'options1',
         startDate: DateTime(2024, 1, 1),
-        chosenPlanState: ChosenPlanStateEnum.stateDone,
+        chosenPlanState: state,
         chatId: 'chat-1',
         consultantId: 1,
         plan: const PlanModel(
@@ -320,6 +320,7 @@ void main() {
 
         expect(find.byType(CollectChargeBanner), findsOneWidget);
         expect(find.text('Получить выплату'), findsOneWidget);
+        expect(find.text('Отменить консультацию'), findsNothing);
       },
     );
 
@@ -337,6 +338,22 @@ void main() {
 
       expect(find.byType(CollectChargeBanner), findsNothing);
       expect(find.text('Получить выплату'), findsNothing);
+      expect(find.text('Отменить консультацию'), findsNothing);
+    });
+
+    testWidgets('shows cancel action for cancellable post-paid plan', (
+      WidgetTester tester,
+    ) async {
+      when(
+        mockChatRepository.getChosenPlan(id: anyNamed('id')),
+      ).thenAnswer((_) async => donePlan(state: ChosenPlanStateEnum.stateStarted));
+
+      await mockNetworkImagesFor(() async {
+        await tester.pumpWidget(createTestWidget(planId: 1));
+        await tester.pumpAndSettle();
+      });
+
+      expect(find.text('Отменить консультацию'), findsOneWidget);
     });
   });
 }