I20241214-1830
- modify PullUpRefactoring.CheckInvalidOuterFieldAccess checker to also look for class.this references that won't be accessible after pulling up the method - add new test to PullUpTests - fixes #1823
- modify PullUpRefactoring.CheckInvalidOuterFieldAccess checker to also look for class.this references that won't be accessible after pulling up the method - add new test to PullUpTests - fixes #1823