fix(Avalonia): prevent running OCR on text

Author: BrycensRanch

SnapX.Avalonia/Converters/EqualsToParameterConverter.cs

@@ -0,0 +1,20 @@
+using System.Globalization;
+using Avalonia.Data.Converters;
+
+namespace SnapX.Avalonia.Converters;
+
+public class EqualsToParameterConverter : IValueConverter
+{
+    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+    {
+        if (value == null || parameter == null)
+            return false;
+
+        return string.Equals(value.ToString(), parameter.ToString(), StringComparison.OrdinalIgnoreCase);
+    }
+
+    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+    {
+        throw new NotImplementedException();
+    }
+}

SnapX.Avalonia/Views/HomePageView.axaml

@@ -219,6 +219,7 @@
                                         Click="OCRImageClick"
                                         Command="{Binding OCRImageCommand, DataType=viewModels1:HomePageViewModel}"
                                         IconSource="ImageAltText"
+                                        IsEnabled="{Binding task.Type, Converter={StaticResource EqualsToParameterConverter}, ConverterParameter=image}"
                                         IsVisible="{Binding Source={x:Static core1:FeatureFlags.DisableOCR}, Converter={StaticResource NegateBool}}"
                                         Text="{x:Static core:Lang.UI_OCRImage}"
                                         ToolTip.Tip="{x:Static core:Lang.UI_OCRImage_ToolTip}" />