Fixed the item category filter

Author: leMicin

src/Sidekick.Apis.Poe/Trade/TradeFilterService.cs

@@ -5,19 +5,12 @@
 
 namespace Sidekick.Apis.Poe.Trade
 {
-    public class TradeFilterService : ITradeFilterService
+    public class TradeFilterService
+    (
+        IGameLanguageProvider gameLanguageProvider,
+        FilterResources resources
+    ) : ITradeFilterService
     {
-        private readonly IGameLanguageProvider gameLanguageProvider;
-        private readonly FilterResources resources;
-
-        public TradeFilterService(
-            IGameLanguageProvider gameLanguageProvider,
-            FilterResources resources)
-        {
-            this.gameLanguageProvider = gameLanguageProvider;
-            this.resources = resources;
-        }
-
         public IEnumerable<ModifierFilter> GetModifierFilters(Item item)
         {
             // No filters for divination cards, etc.

src/Sidekick.Apis.Poe/Trade/TradeSearchService.cs

@@ -47,7 +47,7 @@ public async Task<TradeSearchResult<string>> Search(Item item, TradeCurrency cur
                     Discriminator = item.Metadata.ApiTypeDiscriminator,
                 };
             }
-            else
+            else if (string.IsNullOrEmpty(propertyFilters?.ItemCategory))
             {
                 query.Type = item.Metadata.ApiType;
             }

src/Sidekick.Modules.Trade/Components/Filters/ClassFilter.razor

@@ -9,7 +9,7 @@
             <FormCheckbox Value="!string.IsNullOrEmpty(PriceCheckService.PropertyFilters?.ItemCategory)"
                           ValueChanged="CheckedChanged"
                           NoMargin="true">
-                <ItemPropertyText Label="@Resources["Item Class"]"
+                <ItemPropertyText Label="@Resources["Item Category"]"
                                   Value="@ClassLabel"/>
             </FormCheckbox>
             <TooltipHint Bottom="true"