[type: security]fix shenyu-admin: add dashboard user permission

[midnight2104]

// Describe your PR here; eg. Fixes #issueNo

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• You have read the contribution guidelines.
• You submit test cases (unit or integration tests) that back your changes.
• Your local test passed mvn clean install -Dmaven.javadoc.skip=true.

[codecov-commenter]

Codecov Report

Merging #2357 (e633991) into master (4ade51c) will decrease coverage by 0.03%.
The diff coverage is 64.42%.

@@             Coverage Diff              @@
##             master    #2357      +/-   ##
============================================
- Coverage     58.13%   58.09%   -0.04%     
+ Complexity     3951     3948       -3     
============================================
  Files           629      629              
  Lines         18044    18059      +15     
  Branches       1695     1695              
============================================
+ Hits          10489    10492       +3     
- Misses         6719     6727       +8     
- Partials        836      840       +4     

Impacted Files	Coverage Δ
.../apache/shenyu/admin/model/vo/DashboardUserVO.java	74.50% <ø> (ø)
.../shenyu/admin/service/impl/AppAuthServiceImpl.java	82.58% <ø> (ø)
...che/shenyu/admin/service/impl/EnumServiceImpl.java	100.00% <ø> (ø)
...shenyu/admin/service/impl/MetaDataServiceImpl.java	5.26% <0.00%> (+0.05%)	⬆️
...e/shenyu/admin/service/impl/PluginServiceImpl.java	84.55% <0.00%> (-2.12%)	⬇️
...e/shenyu/admin/shiro/bean/StatelessAuthFilter.java	6.06% <ø> (ø)
...g/apache/shenyu/admin/shiro/config/ShiroRealm.java	14.81% <0.00%> (ø)
...apache/shenyu/admin/utils/ShenyuResultMessage.java	0.00% <ø> (ø)
...henyu/admin/service/impl/UpstreamCheckService.java	27.20% <18.18%> (-0.45%)	⬇️
...enyu/admin/service/impl/PermissionServiceImpl.java	80.95% <64.70%> (-1.55%)	⬇️
... and 10 more

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