Fix spring-security configuration for webmvc

[aafwu00]

Description

When spring security configuration with WebSecurityConfigurerAdapter, then throw IllegalStateException with message(Found WebSecurityConfigurerAdapter as well as SecurityFilterChain. Please select just one)
WebSecurityConfigurerAdapter loaded spring.factories file when default security configuration. Add ProblemHttpConfigur, Using this meachnism is solved that problem.
But, If not using WebSecurityConfigurerAdapter, spring.factories is not working. so added ProblemSecurityBeanPostProcessor will be configure exception handling

Motivation and Context

This fixes #501, #573 and also resolves #582

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.

[whiskeysierra]

👍

[whiskeysierra]

@aafwu00 Thank you for your contribution! 📣

Can you take a look?

Warning: Rule violated for class org.zalando.problem.spring.web.autoconfigure.security.ProblemSecurityBeanPostProcessor: lines covered ratio is 0.7, but expected minimum is 1.0
Warning: Rule violated for class org.zalando.problem.spring.web.autoconfigure.security.ProblemHttpConfigurer: lines covered ratio is 0.8, but expected minimum is 1.0

[aafwu00]

@whiskeysierra Thank you for your feedback. I fixed test coverage.

[whiskeysierra]

👍

[whiskeysierra]

@aafwu00 Can you gpg-sign your commits?
See https://docs.github.com/articles/about-gpg/

[aafwu00]

@whiskeysierra OK, I'll make another PR.