In VSCode, rubocop linter doesn't show the Rails/HasManyOrHasOneDependent cop

[prdetective]

Your environment

• vscode-ruby version: v0.28.1
• Ruby version: 3.0.0p0
• Ruby version manager (if any): rbenv
• VS Code version: 1.54.2
• Operating System: Mac Os 11.2.2
• Using language server? yes

Expected behavior

I have the rubocop and rubocop-rails gems installed. .rubocop.yml file has require: rubocop-rails string. Rails cops work fine in console and in VSCode.

Creating a file:

class User < ApplicationRecord
  has_many :messages
end

If I run the rubocop from the console I see the cop as expected:

Rails/HasManyOrHasOneDependent: Specify a :dependent option.

It should warn about this in VSCode too.

Actual behavior

Linter is being run, but the line with the cop stays w/o any error indication. If I add other problematic lines, they get underlined just fine.

[prdetective]

Additionally, if I try to disable this cop locally, I get the Unnecessary disabling of Rails/HasManyOrHasOneDependent. error.

[FooBarWidget]

I think this issue is a duplicate of #227 (of which the root cause is #719).

[github-actions]

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