[ty] Include the specialization of a generic TypedDict as part of its display (#22174)

## Summary

This is the easy bit of https://github.com/astral-sh/ty/issues/2190

## Test Plan

mdtests updated

crates/ty_python_semantic/src/types/display.rs

@@ -980,11 +980,14 @@ impl<'db> FmtDetailed<'db> for DisplayRepresentation<'db> {
                 }
                 f.write_str("]")
             }
-            Type::TypedDict(TypedDictType::Class(defining_class)) => defining_class
-                .class_literal(self.db)
-                .0
-                .display_with(self.db, self.settings.clone())
-                .fmt_detailed(f),
+            Type::TypedDict(TypedDictType::Class(defining_class)) => match defining_class {
+                ClassType::NonGeneric(class) => class
+                    .display_with(self.db, self.settings.clone())
+                    .fmt_detailed(f),
+                ClassType::Generic(alias) => alias
+                    .display_with(self.db, self.settings.clone())
+                    .fmt_detailed(f),
+            },
             Type::TypedDict(TypedDictType::Synthesized(synthesized)) => {
                 f.set_invalid_type_annotation();
                 f.write_char('<')?;

crates/ty_python_semantic/src/types/typed_dict.rs

@@ -556,7 +556,7 @@ impl TypedDictAssignmentKind {
 /// Validates assignment of a value to a specific key on a `TypedDict`.
 ///
 /// Returns true if the assignment is valid, or false otherwise.
-#[allow(clippy::too_many_arguments)]
+#[expect(clippy::too_many_arguments)]
 pub(super) fn validate_typed_dict_key_assignment<'db, 'ast>(
     context: &InferContext<'db, 'ast>,
     typed_dict: TypedDictType<'db>,