Fix for string rendering

Author: zspitz

Shared/Util/Functions.cs

@@ -106,14 +106,16 @@ public static (bool isLiteral, string repr) TryRenderLiteral(object o, string la
         /// <summary>Returns a string representation of the value, which may or may not be a valid literal in the language</summary>
         public static string StringValue(object o, string language) {
             var (isLiteral, repr) = TryRenderLiteral(o, language);
-            var hasDeclaredToString = o.GetType().GetMethods().Any(x => {
-                if (x.Name != "ToString") { return false; }
-                if (x.GetParameters().Any()) { return false; }
-                if (x.DeclaringType == typeof(object)) { return false; }
-                if (x.DeclaringType.InheritsFromOrImplements<EnumerableQuery>()) { return false; } // EnumerableQuery implements its own ToString which we don't want to use
-                return true;
-            });
-            if (hasDeclaredToString) { return o.ToString(); }
+            if (!isLiteral) {
+                var hasDeclaredToString = o.GetType().GetMethods().Any(x => {
+                    if (x.Name != "ToString") { return false; }
+                    if (x.GetParameters().Any()) { return false; }
+                    if (x.DeclaringType == typeof(object)) { return false; }
+                    if (x.DeclaringType.InheritsFromOrImplements<EnumerableQuery>()) { return false; } // EnumerableQuery implements its own ToString which we don't want to use
+                    return true;
+                });
+                if (hasDeclaredToString) { return o.ToString(); }
+            }
             return repr;
         }