add an option to custom oidc userDisplayName

[vdiskg]

What's the purpose of this PR

add an option for custom oidc userDisplayName claimName

Which issue(s) this PR fixes:

Fixes #3795 #4498

Brief changelog

1. add a property spring.security.oidc.user-display-name-claim-name to custom the claimName of the userDisplayName
2. add the getFullName as a fallback of the getPreferredUsername

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• [x] Read the Contributing Guide before making this pull request.
• [x] Write a pull request description that is detailed enough to understand what the pull request does, how, and why.
• [ ] Write necessary unit tests to verify the code.
• [x] Run mvn clean test to make sure this pull request doesn't break anything.
• [x] Update the CHANGES log.

[codecov-commenter]

Codecov Report

Merging #4507 (46c2c91) into master (82db184) will decrease coverage by 0.10%. The diff coverage is 0.00%.

:exclamation: Current head 46c2c91 differs from pull request most recent head 9bcbbbb. Consider uploading reports for the commit 9bcbbbb to get more accurate results

@@             Coverage Diff              @@
##             master    #4507      +/-   ##
============================================
- Coverage     53.47%   53.36%   -0.11%     
+ Complexity     2707     2704       -3     
============================================
  Files           492      494       +2     
  Lines         15393    15419      +26     
  Branches       1595     1598       +3     
============================================
- Hits           8231     8228       -3     
- Misses         6605     6634      +29     
  Partials        557      557              

Impacted Files	Coverage Δ
...lo/portal/spi/configuration/AuthConfiguration.java	8.33% <0.00%> (ø)
...portal/spi/configuration/OidcExtendProperties.java	0.00% <0.00%> (ø)
...i/oidc/OidcAuthenticationSuccessEventListener.java	0.00% <0.00%> (ø)
...ork/apollo/portal/spi/oidc/OidcUserInfoHolder.java	0.00% <0.00%> (ø)
...ework/apollo/portal/spi/oidc/OidcUserInfoUtil.java	0.00% <0.00%> (ø)
...work/apollo/biz/message/DatabaseMessageSender.java	56.25% <0.00%> (-8.34%)	:arrow_down:
.../apollo/internals/RemoteConfigLongPollService.java	77.24% <0.00%> (-1.20%)	:arrow_down:
...mework/apollo/portal/component/PortalSettings.java	70.31% <0.00%> (+4.68%)	:arrow_up:

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[nobodyiam]

Looks great! Shall we also add some instructions in the oidc related documents?

[nobodyiam]

Looks great, would you please also help to update the en doc?