Support InvalidTypeApplication on #update_env

ref: ruby/rbs#2289

Author: ksss

lib/steep/services/signature_service.rb

@@ -295,7 +295,7 @@ def update_env(updated_files, paths:)
 
           unless errors.empty?
             # Builder won't be used.
-            factory = AST::Types::Factory.new(builder: _ = nil)
+            factory = AST::Types::Factory.new(builder: RBS::DefinitionBuilder.new(env: env, ancestor_builder: builder))
             return errors.map {|error| Diagnostic::Signature.from_rbs_error(error, factory: factory) }
           end