[MAPSME-5353] [ios] Fixed cian category display.

iphone/Maps/UI/Search/MWMSearchManager.mm

@@ -255,6 +255,7 @@ using Observers = NSHashTable<Observer>;
 
 - (void)changeToDefaultState
 {
+  [self.tabbedController resetCategories];
   [self.navigationController popToRootViewControllerAnimated:NO];
 
   [self animateConstraints:^{

iphone/Maps/UI/Search/TabbedView/CategoriesTab/MWMSearchCategoriesManager.h

@@ -7,4 +7,6 @@
 
 - (void)attachCell:(MWMSearchTabbedCollectionViewCell *)cell;
 
+- (void)resetCategories;
+
 @end

iphone/Maps/UI/Search/TabbedView/CategoriesTab/MWMSearchCategoriesManager.mm

@@ -13,16 +13,10 @@ extern NSString * const kCianCategory = @"cian";
   vector<string> m_categories;
 }
 
-- (instancetype)init
-{
-  self = [super init];
-  if (self)
-    m_categories = GetFramework().GetDisplayedCategories().GetKeys();
-  return self;
-}
-
 - (void)attachCell:(MWMSearchTabbedCollectionViewCell *)cell
 {
+  if (m_categories.empty())
+    m_categories = GetFramework().GetDisplayedCategories().GetKeys();
   [cell removeNoResultsView];
   UITableView * tableView = cell.tableView;
   tableView.estimatedRowHeight = 44.;
@@ -35,6 +29,7 @@ extern NSString * const kCianCategory = @"cian";
   [tableView reloadData];
 }
 
+- (void)resetCategories { m_categories.clear(); }
 #pragma mark - UITableViewDataSource
 
 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section

iphone/Maps/UI/Search/TabbedView/MWMSearchTabbedViewController.h

@@ -11,5 +11,6 @@
 
 - (void)tabButtonPressed:(MWMSearchTabButtonsView *)sender;
 - (void)resetSelectedTab;
+- (void)resetCategories;
 
 @end

iphone/Maps/UI/Search/TabbedView/MWMSearchTabbedViewController.mm

@@ -67,6 +67,7 @@ BOOL isOffsetInButton(CGFloat offset, MWMSearchTabButtonsView * button)
         [[NSUserDefaults standardUserDefaults] integerForKey:kSelectedButtonTagKey];
 }
 
+- (void)resetCategories { [self.categoriesManager resetCategories]; }
 - (void)viewWillAppear:(BOOL)animated
 {
   self.scrollIndicator.hidden = YES;