Fixed little error where Dimensions.Unit.Conversion was being blanked out without being edited.

prs.shared/Editors/Dimensions/DimensionsEditorControl.cs

@@ -224,10 +224,13 @@ public class DimensionsEditorControl<TDimensions, TLink, TUnit> : DynamicEnclose
         CheckChanged((box.Tag as string)!);
     }
 
+    private Guid _currentUnitID = Guid.Empty;
+
     private void Combo_SelectionChanged(object sender, SelectionChangedEventArgs e)
     {
         if (Combo.SelectedValue is not Guid unitID) return;
         if (Combo.SelectedItem is not Tuple<string, TUnit> tuple) return;
+
         var unit = tuple.Item2;
 
         UpdateColumn(1, unit.HasQuantity, QuantityBox);
@@ -236,13 +239,16 @@ public class DimensionsEditorControl<TDimensions, TLink, TUnit> : DynamicEnclose
         UpdateColumn(4, unit.HasHeight, HeightBox);
         UpdateColumn(5, unit.HasWeight, WeightBox);
 
-        foreach(var property in DatabaseSchema.Properties(typeof(TUnit)))
+        if (unit.ID != _currentUnitID)
         {
-            var value = property.Getter()(unit);
-            OtherValues[$"{ColumnName}.Unit.{property.Name}"] = value;
-        }
+            foreach(var property in DatabaseSchema.Properties(typeof(TUnit)))
+            {
+                var value = property.Getter()(unit);
+                OtherValues[$"{ColumnName}.Unit.{property.Name}"] = value;
+            }
 
-        CheckChanged("Unit.ID");
+            CheckChanged("Unit.ID");
+        }
     }
 
     protected override object? GetChildValue(string property)
@@ -273,7 +279,8 @@ public class DimensionsEditorControl<TDimensions, TLink, TUnit> : DynamicEnclose
     {
         if (property == "Unit.ID")
         {
-            Combo.SelectedValue = value is Guid guid ? guid : Guid.Empty;
+            _currentUnitID = value is Guid guid ? guid : Guid.Empty;
+            Combo.SelectedValue = _currentUnitID;
         }
         else if(property == "UnitSize")
         {