[Feature-1620][admin] Integrate Casdoor for SSO

[gaopeng666]

add casdoor login support SSO

This closes #1620

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This pull request is code cleanup without any test coverage.

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This pull request is already covered by existing tests, such as (please describe tests).

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This change added tests and can be verified as follows:

[gaopeng666]

@aiwenmo Excuse me, what is this question

[leechor]

@aiwenmo Excuse me, what is this question

this is github action's problem, wait for a moment, fixing it.

[Zzm0809]

@aiwenmo Excuse me, what is this question

hi, @gaopeng666 ,thank you very much for your pr, please add postgre's ddl/dml and h2's ddl/dml

[Zzm0809]

@aiwenmo Excuse me, what is this question

hi, @gaopeng666 ,thank you very much for your pr, please add postgre's ddl/dml and h2's ddl/dml

Then please provide the design of the front-end page

[gaopeng666]

@aiwenmo Excuse me, what is this question

hi, @gaopeng666 ,thank you very much for your pr, please add postgre's ddl/dml and h2's ddl/dml

Then please provide the design of the front-end page

ok, i will add