fix some missed tests

src/EFCore.Cosmos/Query/Internal/CosmosSqlTranslatingExpressionVisitor.cs

@@ -91,6 +91,12 @@ protected virtual void AddTranslationErrorDetails(string details)
 
         if (result is SqlExpression translation)
         {
+            if (translation is SqlUnaryExpression { OperatorType: ExpressionType.Convert } sqlUnaryExpression
+                && sqlUnaryExpression.Type == typeof(object))
+            {
+                translation = sqlUnaryExpression.Operand;
+            }
+
             if (applyDefaultTypeMapping)
             {
                 translation = sqlExpressionFactory.ApplyDefaultTypeMapping(translation);

test/EFCore.Cosmos.FunctionalTests/Query/NorthwindWhereQueryCosmosTest.cs

@@ -1581,11 +1581,9 @@ public override Task Decimal_cast_to_double_works(bool async)
 
                 AssertSql(
                     """
-@i='10'
-
-SELECT VALUE c["id"]
+SELECT VALUE c
 FROM root c
-WHERE (((ToString(@i) || c["id"]) || ToString(@i)) = "10ALFKI10")
+WHERE ((c["$type"] = "Product") AND (c["UnitPrice"] > 100.0))
 """);
             });
 
@@ -1597,12 +1595,9 @@ public override Task Where_is_conditional(bool async)
 
                 AssertSql(
                     """
-@p='11'
-@p0='12'
-
 SELECT VALUE c
 FROM root c
-WHERE (((c["id"] || ToString(@p)) || (c["id"] || ToString(@p0))) = "ALFKI11ALFKI12")
+WHERE ((c["$type"] = "Product") AND (true ? false : true))
 """);
             });